removed error check as this was causing errors

updated to latest version of Umbraco.Azure via nuget
Merge with 6.0.4
2013-04-05 00:40:03 +06:00 · 2013-04-05 00:09:14 +06:00 · 2013-04-04 23:36:57 +06:00 · 2013-04-04 23:36:31 +06:00 · 2013-04-04 23:30:36 +06:00 · 2013-04-04 23:30:17 +06:00
1246 changed files with 72875 additions and 24412 deletions
@@ -14,6 +14,7 @@ syntax: glob
 obj/
 [Rr]elease*/
 _ReSharper*/
+_NCrunch_*/
 *.ncrunchsolution
 *.ncrunchsolution.user
 *.ncrunchproject
@@ -43,6 +44,7 @@ src\Umbraco.Web.UI\[Mm]acro[Ss]cripts\*
 src\Umbraco.Web.UI\[Xx]slt\*
 src\Umbraco.Web.UI\[Ii]mages\*
 src\Umbraco.Web.UI\[Ss]cripts\*
+src\Umbraco.Web.UI\Web.*.config.transformed

 umbraco\presentation\umbraco\plugins\uComponents\uComponentsInstaller.ascx
 umbraco\presentation\packages\uComponents\MultiNodePicker\CustomTreeService.asmx
@@ -22,4 +22,10 @@ f6da531fbb4c251ff61d314e2a7effb13c71e74a Release-4.10.0
 73711b806a4044dbf0d7d7c095ddfdda23b09932 Release-4.11.2
 77db220b89e166b3c0736ed321ecfd6416cddbcd Release-4.11.2.1
 54cde33b809dcb3a1f7e7ae0d5375f6dd0d89c8d Release-4.11.2.2
-ff3bb24ea0c915878396a6ae27f1ff164e8ac150 Release-6.0.0-beta
+ff3bb24ea0c915878396a6ae27f1ff164e8ac150 Release-6.0.0-beta
+56015ac26f5ab60e3c61b1d09075297b660afa07 Release-6.0.0-RC
+1719fbd857f28b376639ac2aa0abada0ef2e7560 Release-6.0.0
+e02f5aebb87e3f07d27376647756caa9762931d8 Release-4.11.4
+14338b0ab1738fbd8987677ecdb9a73d79fc229d release-4.11.6
+b247b35d821144849f551e02da8ba719f91d5fb0 Release-6.0.2
+aed55cba29009ad3db48880a7cfb66407ce9805f release-6.0.3
@@ -1,6 +1,6 @@
@ECHO OFF
-SET release=6.0.0
-SET comment=RC
+SET release=6.1.0
+SET comment=beta
 SET version=%release%

 IF [%comment%] EQU [] (SET version=%release%) ELSE (SET version=%release%-%comment%)
@@ -16,6 +16,8 @@ echo This file is only here so that the containing folder will be included in th
 echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\media\dummy.txt
 echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\scripts\dummy.txt
 echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\usercontrols\dummy.txt
+echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\Views\Partials\dummy.txt
+echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\Views\MacroPartials\dummy.txt
 echo This file is only here so that the containing folder will be included in the NuGet package, it is safe to delete. > .\_BuildOutput\WebApp\xslt\dummy.txt

 ..\src\.nuget\NuGet.exe pack NuSpecs\UmbracoCms.Core.nuspec -Version %version%
@@ -1,189 +1,276 @@
+
 <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

- <!-- 
+  <!-- 
 ****************************************************
 INCLUDES 
 *****************************************************
 -->

- <PropertyGroup>
-   <MSBuildCommunityTasksPath>..\MSBuildCommunityTasks</MSBuildCommunityTasksPath>
-   <UmbracoMSBuildTasksPath>..\UmbracoMSBuildTasks</UmbracoMSBuildTasksPath>
- </PropertyGroup>
- 
- <Import Project="..\tools\UmbracoMSBuildTasks\Umbraco.MSBuild.Tasks.Targets" />
- <Import Project="..\tools\MSBuildCommunityTasks\MSBuild.Community.Tasks.Targets" />
+  <PropertyGroup>
+    <MSBuildCommunityTasksPath>..\MSBuildCommunityTasks</MSBuildCommunityTasksPath>
+    <UmbracoMSBuildTasksPath>..\UmbracoMSBuildTasks</UmbracoMSBuildTasksPath>
+  </PropertyGroup>

- <!-- 
+  <Import Project="..\tools\UmbracoMSBuildTasks\Umbraco.MSBuild.Tasks.Targets" />
+  <Import Project="..\tools\MSBuildCommunityTasks\MSBuild.Community.Tasks.Targets" />
+ 
+ <UsingTask TaskName="GenerateHash" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">
+    <ParameterGroup>
+        <InputFiles ParameterType="Microsoft.Build.Framework.ITaskItem[]" Required="true" />
+        <OutputFile ParameterType="System.String" Required="true" />
+    </ParameterGroup>
+    <Task>
+        <Using Namespace="System.IO" />
+        <Using Namespace="System.Linq" />
+        <Using Namespace="System.Security.Cryptography" />
+        <Code Type="Fragment" Language="cs">
+            <![CDATA[
+                using (var ms = new MemoryStream())
+                {
+                    foreach (var item in InputFiles)
+                    {
+                        string path = item.ItemSpec;
+
+                        using (FileStream stream = new FileStream(path, FileMode.Open))
+                        {
+                            using (var cryptoProvider = new SHA1CryptoServiceProvider())
+                            {
+                                
+                                var fileHash = cryptoProvider.ComputeHash(stream);
+                                
+                                using (TextWriter w = new StreamWriter(OutputFile, false))
+                                {
+                                    w.WriteLine(string.Join("", fileHash.Select(b => b.ToString("x2"))));
+                                }
+                            }
+                        }
+                    }
+                }
+            ]]>
+        </Code>
+    </Task>
+ </UsingTask>
+
+ 
+  <!-- 
 ****************************************************
 VARIABLES 
 *****************************************************
 -->

- <!-- NB: BUILD_NUMBER is passed in by the build server -->
- <PropertyGroup Condition="'$(BUILD_NUMBER)'!=''">
-   <DECIMAL_BUILD_NUMBER>.$(BUILD_NUMBER)</DECIMAL_BUILD_NUMBER>
- </PropertyGroup> 
- <PropertyGroup Condition="'$(BUILD_RELEASE)'!=''">
-   <DECIMAL_BUILD_NUMBER>.$(BUILD_RELEASE)</DECIMAL_BUILD_NUMBER>
- </PropertyGroup>
- <PropertyGroup Condition="'$(BUILD_RELEASE)'!='' AND '$(BUILD_COMMENT)'!=''">
-   <DECIMAL_BUILD_NUMBER>.$(BUILD_RELEASE)-$(BUILD_COMMENT)</DECIMAL_BUILD_NUMBER>
- </PropertyGroup>
- 
- <PropertyGroup>
-   <BuildConfiguration>Release</BuildConfiguration>
-   <BuildFolder>_BuildOutput\</BuildFolder>
-   <BuildZipFileName>UmbracoCms$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileName>
-   <BuildZipFileNameBin>UmbracoCms.AllBinaries$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileNameBin>
-   <BuildZipFileNameWebPi>UmbracoCms.WebPI$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileNameWebPi>
-   <IncludeSymbols>False</IncludeSymbols>
-   <BuildFolderRelativeToProjects>..\..\build\$(BuildFolder)</BuildFolderRelativeToProjects>
-   <BuildFolderAbsolutePath>$(MSBuildProjectDirectory)\$(BuildFolder)</BuildFolderAbsolutePath>
-   <SolutionBinFolder>$(BuildFolder)bin\</SolutionBinFolder>
-   <WebAppFolder>$(BuildFolder)WebApp\</WebAppFolder>
-   <WebPiFolder>$(BuildFolder)WebPi\</WebPiFolder>
-   <SolutionBinFolderRelativeToProjects>$(BuildFolderRelativeToProjects)bin\</SolutionBinFolderRelativeToProjects>
-   <SolutionBinFolderAbsolutePath>$(BuildFolderAbsolutePath)bin\</SolutionBinFolderAbsolutePath>
-   <WebAppFolderRelativeToProjects>$(BuildFolderRelativeToProjects)WebApp\</WebAppFolderRelativeToProjects>
-   <WebAppFolderAbsolutePath>$(BuildFolderAbsolutePath)WebApp\</WebAppFolderAbsolutePath>
-   <WebPiFolderRelativeToProjects>$(BuildFolderRelativeToProjects)WebPi\</WebPiFolderRelativeToProjects>
-   <WebPiFolderAbsolutePath>$(BuildFolderAbsolutePath)WebPi\</WebPiFolderAbsolutePath>
- </PropertyGroup>
+  <!-- NB: BUILD_NUMBER is passed in by the build server -->
+  <PropertyGroup Condition="'$(BUILD_NUMBER)'!=''">
+    <DECIMAL_BUILD_NUMBER>.$(BUILD_NUMBER)</DECIMAL_BUILD_NUMBER>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(BUILD_RELEASE)'!=''">
+    <DECIMAL_BUILD_NUMBER>.$(BUILD_RELEASE)</DECIMAL_BUILD_NUMBER>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(BUILD_RELEASE)'!='' AND '$(BUILD_COMMENT)'!=''">
+    <DECIMAL_BUILD_NUMBER>.$(BUILD_RELEASE)-$(BUILD_COMMENT)</DECIMAL_BUILD_NUMBER>
+  </PropertyGroup>

- <ItemGroup>
-   <SystemFolders Include="$(WebAppFolder)App_Plugins" />
-   <SystemFolders Include="$(WebAppFolder)App_Code" />
-   <SystemFolders Include="$(WebAppFolder)App_Data" />
-   <SystemFolders Include="$(WebAppFolder)media" />
-   <SystemFolders Include="$(WebAppFolder)masterpages" />
-   <SystemFolders Include="$(WebAppFolder)scripts" />
-   <SystemFolders Include="$(WebAppFolder)css" />
-   <SystemFolders Include="$(WebAppFolder)macroScripts" />
-   <SystemFolders Include="$(WebAppFolder)xslt" />
-   <SystemFolders Include="$(WebAppFolder)usercontrols" />
-   <SystemFolders Include="$(WebAppFolder)Views" />
- </ItemGroup>
+  <PropertyGroup>
+    <BuildConfiguration>Release</BuildConfiguration>
+    <BuildFolder>_BuildOutput\</BuildFolder>
+    <BuildZipFileName>UmbracoCms$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileName>
+    <BuildZipFileNameBin>UmbracoCms.AllBinaries$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileNameBin>
+    <BuildZipFileNameWebPi>UmbracoCms.WebPI$(DECIMAL_BUILD_NUMBER).zip</BuildZipFileNameWebPi>
+    <IncludeSymbols>False</IncludeSymbols>
+    <BuildFolderRelativeToProjects>..\..\build\$(BuildFolder)</BuildFolderRelativeToProjects>
+    <BuildFolderAbsolutePath>$(MSBuildProjectDirectory)\$(BuildFolder)</BuildFolderAbsolutePath>
+    <SolutionBinFolder>$(BuildFolder)bin\</SolutionBinFolder>
+    <WebAppFolder>$(BuildFolder)WebApp\</WebAppFolder>
+    <WebPiFolder>$(BuildFolder)WebPi\</WebPiFolder>
+    <SolutionBinFolderRelativeToProjects>$(BuildFolderRelativeToProjects)bin\</SolutionBinFolderRelativeToProjects>
+    <SolutionBinFolderAbsolutePath>$(BuildFolderAbsolutePath)bin\</SolutionBinFolderAbsolutePath>
+    <WebAppFolderRelativeToProjects>$(BuildFolderRelativeToProjects)WebApp\</WebAppFolderRelativeToProjects>
+    <WebAppFolderAbsolutePath>$(BuildFolderAbsolutePath)WebApp\</WebAppFolderAbsolutePath>
+    <WebPiFolderRelativeToProjects>$(BuildFolderRelativeToProjects)WebPi\</WebPiFolderRelativeToProjects>
+    <WebPiFolderAbsolutePath>$(BuildFolderAbsolutePath)WebPi\</WebPiFolderAbsolutePath>
+    <ExaminePDFPath>$(BuildFolderAbsolutePath)UmbracoExamine.PDF\</ExaminePDFPath>
+    <ExamineAzurePath>$(BuildFolderAbsolutePath)UmbracoExamine.Azure\</ExamineAzurePath>
+    <ExaminePDFAzurePath>$(BuildFolderAbsolutePath)UmbracoExamine.PDF.Azure\</ExaminePDFAzurePath>
+  </PropertyGroup>

- <!-- 
+  <ItemGroup>
+    <SystemFolders Include="$(WebAppFolder)App_Plugins" />
+    <SystemFolders Include="$(WebAppFolder)App_Code" />
+    <SystemFolders Include="$(WebAppFolder)App_Data" />
+    <SystemFolders Include="$(WebAppFolder)Media" />
+    <SystemFolders Include="$(WebAppFolder)Masterpages" />
+    <SystemFolders Include="$(WebAppFolder)Scripts" />
+    <SystemFolders Include="$(WebAppFolder)Css" />
+    <SystemFolders Include="$(WebAppFolder)MacroScripts" />
+    <SystemFolders Include="$(WebAppFolder)Xslt" />
+    <SystemFolders Include="$(WebAppFolder)UserControls" />
+    <SystemFolders Include="$(WebAppFolder)Views" />
+  </ItemGroup>
+
+  <!-- 
 ****************************************************
 TARGETS 
 *****************************************************
 -->

- <Target Name="Build" DependsOnTargets="ZipWebPiApp">
-   <Message Text="Build finished" />
+ <Target Name="Build" DependsOnTargets="GenerateWebPiHash">
+    <Message Text="Build finished" />
 </Target>
 
- <Target Name="CleanUp" DependsOnTargets="ZipWebPiApp">
-   <Message Text="Deleting $(BuildFolder)" Importance="high" />
-   <RemoveDir Directories="$(BuildFolder)" />
-   <Message Text="Finished deleting $(BuildFolder)" Importance="high" />
- </Target>
-
- <Target Name="ZipWebPiApp" DependsOnTargets="ZipWebApp" >
-   <!-- Clean folders -->
-   <RemoveDir Directories="$(WebPiFolder)" />
-   <MakeDir Directories="$(WebPiFolder)" />
-   <MakeDir Directories="$(WebPiFolder)umbraco" />
-
-   <!-- Copy fresh built umbraco files -->
-   <Exec Command="xcopy %22$(WebAppFolderAbsolutePath)*%22 %22$(WebPiFolderAbsolutePath)umbraco%22 /S /E /Y /I" />
-   
-   <!-- Copy Web Pi template files -->
+ <Target Name="GenerateWebPiHash" DependsOnTargets="ZipWebPiApp">
   <ItemGroup>
-     <WebPiFiles Include="..\src\WebPi\**\*.*" />
+      <WebPiFile Include="$(BuildZipFileNameWebPi)" />
   </ItemGroup>
+   <Message Text="Calculating hash for $(BuildZipFileNameWebPi)" />
+   <GenerateHash InputFiles="@(WebPiFile)" OutputFile="webpihash.txt" />
+  </Target>

-   <Copy SourceFiles="@(WebPiFiles)"
-       DestinationFiles="@(WebPiFiles->'$(WebPiFolder)%(RecursiveDir)%(Filename)%(Extension)')" />
+  <Target Name="CleanUp" DependsOnTargets="ZipWebPiApp">
+    <Message Text="Deleting $(BuildFolder)" Importance="high" />
+    <RemoveDir Directories="$(BuildFolder)" />
+    <Message Text="Finished deleting $(BuildFolder)" Importance="high" />
+  </Target>

-   <!-- Zip the files -->
-   <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileNameWebPi)%22 %22$(WebPiFolderAbsolutePath)*%22" />
- </Target>
- 
- <Target Name="ZipWebApp" DependsOnTargets="CreateSystemFolders" >
-   <Message Text="Starting to zip to $(buildDate)-$(BuildZipFileName)" Importance="high" />
+  <Target Name="ZipWebPiApp" DependsOnTargets="ZipWebApp" >
+    <!-- Clean folders -->
+    <RemoveDir Directories="$(WebPiFolder)" />
+    <MakeDir Directories="$(WebPiFolder)" />
+    <MakeDir Directories="$(WebPiFolder)umbraco" />

-   <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileNameBin)%22 %22$(SolutionBinFolderAbsolutePath)*%22" />
-   <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileName)%22 %22$(WebAppFolderAbsolutePath)*%22" />
-   
-   <Message Text="Finished zipping to build\$(BuildFolder)\$(buildDate)-$(BuildZipFileName)" Importance="high" />
- </Target>
+    <!-- Copy fresh built umbraco files -->
+    <Exec Command="xcopy %22$(WebAppFolderAbsolutePath)*%22 %22$(WebPiFolderAbsolutePath)umbraco%22 /S /E /Y /I" />

- <Target Name="CreateSystemFolders" DependsOnTargets="CopyLibraries" Inputs="@(SystemFolders)" Outputs="%(Identity).Dummy">
-   <MakeDir Directories="@(SystemFolders)" />
- </Target>
- 
- <Target Name="CopyLibraries" DependsOnTargets="OffsetTimestamps" >
-   <!-- Copy SQL CE -->
-   <ItemGroup>
-     <SQLCE4Files 
-		Include="..\src\packages\SqlServerCE.4.0.0.0\**\*.*" 
-		Exclude="..\src\packages\SqlServerCE.4.0.0.0\lib\**\*;..\src\packages\SqlServerCE.4.0.0.0\**\*.nu*"
+    <!-- Copy Web Pi template files -->
+    <ItemGroup>
+      <WebPiFiles Include="..\src\WebPi\**\*.*" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(WebPiFiles)"
+        DestinationFiles="@(WebPiFiles->'$(WebPiFolder)%(RecursiveDir)%(Filename)%(Extension)')" />
+
+    <!-- Zip the files -->
+    <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileNameWebPi)%22 %22$(WebPiFolderAbsolutePath)*%22" />
+  </Target>
+
+  <Target Name="ZipWebApp" DependsOnTargets="CreateSystemFolders" >
+    <Message Text="Starting to zip to $(buildDate)-$(BuildZipFileName)" Importance="high" />
+
+    <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileNameBin)%22 %22$(SolutionBinFolderAbsolutePath)*%22" />
+    <Exec Command="..\tools\7zip\7za.exe a -r %22$(BuildZipFileName)%22 %22$(WebAppFolderAbsolutePath)*%22" />
+
+    <Message Text="Finished zipping to build\$(BuildFolder)\$(buildDate)-$(BuildZipFileName)" Importance="high" />
+  </Target>
+
+  <Target Name="CreateSystemFolders" DependsOnTargets="CopyLibraries" Inputs="@(SystemFolders)" Outputs="%(Identity).Dummy">
+    <MakeDir Directories="@(SystemFolders)" />
+  </Target>
+
+  <Target Name="CopyLibraries" DependsOnTargets="OffsetTimestamps" >
+    <!-- Copy SQL CE -->
+    <ItemGroup>
+      <SQLCE4Files
+     Include="..\src\packages\SqlServerCE.4.0.0.0\**\*.*"
+     Exclude="..\src\packages\SqlServerCE.4.0.0.0\lib\**\*;..\src\packages\SqlServerCE.4.0.0.0\**\*.nu*"
 		/>
-   </ItemGroup>
+    </ItemGroup>

-   <Copy SourceFiles="@(SQLCE4Files)"
-       DestinationFiles="@(SQLCE4Files->'$(SolutionBinFolder)%(RecursiveDir)%(Filename)%(Extension)')"
-       OverwriteReadOnlyFiles="true"
-       SkipUnchangedFiles="false" />
+    <Copy SourceFiles="@(SQLCE4Files)"
+        DestinationFiles="@(SQLCE4Files->'$(SolutionBinFolder)%(RecursiveDir)%(Filename)%(Extension)')"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />

-   <Copy SourceFiles="@(SQLCE4Files)"
-       DestinationFiles="@(SQLCE4Files->'$(WebAppFolder)bin\%(RecursiveDir)%(Filename)%(Extension)')"
-       OverwriteReadOnlyFiles="true"
-       SkipUnchangedFiles="false" />
- 
- </Target>
+    <Copy SourceFiles="@(SQLCE4Files)"
+        DestinationFiles="@(SQLCE4Files->'$(WebAppFolder)bin\%(RecursiveDir)%(Filename)%(Extension)')"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />

- <!-- Offset the modified timestamps on all umbraco dlls, as WebResources break if date is in the future, which, due to timezone offsets can happen. -->
- <Target Name="OffsetTimestamps" DependsOnTargets="CopyTransformedWebConfig">
-   <CreateItem Include="$(BuildFolder)**\umbraco.*.dll">
-     <Output TaskParameter="Include" ItemName="FilesToOffsetTimestamp" />
-   </CreateItem>
-   <Message Text="Starting to offset timestamps" Importance="high" />
-   <Umbraco.MSBuild.Tasks.TimestampOffset Files="@(FilesToOffsetTimestamp)" Offset="-11" />
-   <Message Text="Finished offsetting timestamps" Importance="high" />
- </Target>
- 
- <!-- Copy the transformed web.config file to the root -->
- <Target Name="CopyTransformedWebConfig"  DependsOnTargets="CopyXmlDocumentation">
-   <ItemGroup>
-     <WebConfigFile Include="..\src\Umbraco.Web.UI\web.$(BuildConfiguration).Config.transformed" />
-   </ItemGroup>
-   
-   <Copy SourceFiles="@(WebConfigFile)"
-       DestinationFiles="$(WebAppFolder)Web.config"
-       OverwriteReadOnlyFiles="true"
-       SkipUnchangedFiles="false" />
- </Target>
- 
- <!-- Copy the xml documentation to the bin folder -->
- <Target Name="CopyXmlDocumentation"  DependsOnTargets="CompileProjects">
-   <ItemGroup>
-     <XmlDocumentationFiles Include="$(SolutionBinFolder)*.xml" />
-   </ItemGroup>
-   
-   <Copy SourceFiles="@(XmlDocumentationFiles)"
-       DestinationFiles="@(XmlDocumentationFiles->'$(WebAppFolder)bin\%(RecursiveDir)%(Filename)%(Extension)')"
-       OverwriteReadOnlyFiles="true"
-       SkipUnchangedFiles="false" />
-	<Message Text="CopyXmlDocumentation" />
- </Target>
- 
- <Target Name="CompileProjects" DependsOnTargets="SetVersionNumber">
-   <Message Text="Compiling web project to build\$(BuildFolder)" Importance="high" />
-   <!-- For UseWPP_CopyWebApplication=True see http://stackoverflow.com/questions/1983575/copywebapplication-with-web-config-transformations -->
-   <MSBuild Projects="..\src\Umbraco.Web.UI\Umbraco.Web.UI.csproj" Properties="WarningLevel=0;Configuration=$(BuildConfiguration);UseWPP_CopyWebApplication=True;PipelineDependsOnBuild=False;OutDir=$(SolutionBinFolderAbsolutePath);WebProjectOutputDir=$(WebAppFolderAbsolutePath)" Targets="Clean;Build;" BuildInParallel="False" ToolsVersion="4.0" UnloadProjectsOnCompletion="False">
-   </MSBuild>
+  </Target>

-   <!-- DONE -->
-   <Message Text="Finished compiling projects" Importance="high" />
- </Target>
+  <!-- Offset the modified timestamps on all umbraco dlls, as WebResources break if date is in the future, which, due to timezone offsets can happen. -->
+  <Target Name="OffsetTimestamps" DependsOnTargets="CopyTransformedWebConfig">
+    <CreateItem Include="$(BuildFolder)**\umbraco.*.dll">
+      <Output TaskParameter="Include" ItemName="FilesToOffsetTimestamp" />
+    </CreateItem>
+    <Message Text="Starting to offset timestamps" Importance="high" />
+    <Umbraco.MSBuild.Tasks.TimestampOffset Files="@(FilesToOffsetTimestamp)" Offset="-11" />
+    <Message Text="Finished offsetting timestamps" Importance="high" />
+  </Target>

- <Target Name="SetVersionNumber" Condition="'$(BUILD_RELEASE)'!=''">
+  <!-- Copy the transformed web.config file to the root -->
+  <Target Name="CopyTransformedWebConfig"  DependsOnTargets="CopyXmlDocumentation">
+    <ItemGroup>
+      <WebConfigFile Include="..\src\Umbraco.Web.UI\web.$(BuildConfiguration).Config.transformed" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(WebConfigFile)"
+        DestinationFiles="$(WebAppFolder)Web.config"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />
+  </Target>
+
+  <!-- Copy the xml documentation to the bin folder -->
+  <Target Name="CopyXmlDocumentation"  DependsOnTargets="CompileProjects">
+    <ItemGroup>
+      <XmlDocumentationFiles Include="$(SolutionBinFolder)*.xml" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(XmlDocumentationFiles)"
+        DestinationFiles="@(XmlDocumentationFiles->'$(WebAppFolder)bin\%(RecursiveDir)%(Filename)%(Extension)')"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />
+    <Message Text="CopyXmlDocumentation" />
+  </Target>
+
+  <Target Name="CompileProjects" DependsOnTargets="CompileExternalExamineProjects">
+    
+    <Message Text="Compiling web project to build\$(BuildFolder)" Importance="high" />
+    <!-- For UseWPP_CopyWebApplication=True see http://stackoverflow.com/questions/1983575/copywebapplication-with-web-config-transformations -->
+    <!-- Build the Umbraco.Web.UI project -->
+    <MSBuild Projects="..\src\Umbraco.Web.UI\Umbraco.Web.UI.csproj" Properties="WarningLevel=0;Configuration=$(BuildConfiguration);UseWPP_CopyWebApplication=True;PipelineDependsOnBuild=False;OutDir=$(SolutionBinFolderAbsolutePath);WebProjectOutputDir=$(WebAppFolderAbsolutePath)" Targets="Clean;Build;" BuildInParallel="False" ToolsVersion="4.0" UnloadProjectsOnCompletion="False">
+    </MSBuild>
+    
+    <!-- DONE -->
+    <Message Text="Finished compiling projects" Importance="high" />
+  </Target>
+
+  <Target Name="CompileExternalExamineProjects" DependsOnTargets="SetVersionNumber">
+    <Message Text="Building externally shipped examine projects" Importance="high" />
+
+    <!-- First remove old files from the examine builds -->
+    <ItemGroup>
+      <FilesToDeleteBeforeBuild Include="$(ExaminePDFPath)*;$(ExamineAzurePath)*"/>
+    </ItemGroup>
+    <Delete Files="@(FilesToDeleteBeforeBuild)" />
+    <!-- 
+      Build the UmbracoExamine.PDF.Azure library ... this builds the 3 projects that we want to bundle separately so no need to build each one separately .
+      We'll just build this one and then manually copy the DLLs to where we want them.
+    -->
+    <MSBuild Projects="..\src\UmbracoExamine.PDF.Azure\UmbracoExamine.PDF.Azure.csproj" Properties="WarningLevel=0;Configuration=$(BuildConfiguration);PipelineDependsOnBuild=False;OutDir=$(ExaminePDFAzurePath);" Targets="Clean;Build;" BuildInParallel="False" ToolsVersion="4.0" UnloadProjectsOnCompletion="False">
+    </MSBuild>
+    <ItemGroup>
+      <ExaminePDFFiles Include="$(ExaminePDFAzurePath)**\UmbracoExamine.PDF.dll;$(ExaminePDFAzurePath)**\UmbracoExamine.PDF.pdf;$(ExaminePDFAzurePath)**\UmbracoExamine.PDF.xml;$(ExaminePDFAzurePath)**\itextsharp.dll" />
+      <ExamineAzureFiles Include="$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.dll;$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.pdb;$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.xml" />
+      <ExaminePDFAzureFiles Include="$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.PDF.dll;$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.PDF.pdb;$(ExaminePDFAzurePath)**\UmbracoExamine.Azure.PDF.xml" />
+    </ItemGroup>
+    <!-- Now copy the built files to their correct deployment folders-->
+    <Copy SourceFiles="@(ExaminePDFFiles)"
+        DestinationFolder="$(ExaminePDFPath)"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />
+    <Copy SourceFiles="@(ExamineAzureFiles)"
+        DestinationFolder="$(ExamineAzurePath)"
+        OverwriteReadOnlyFiles="true"
+        SkipUnchangedFiles="false" />
+    <!-- Then just delete the files we don't want to ship in the UmbracoExamine.Azure.PDF folder -->
+    <ItemGroup>
+      <FilesToDeleteAfterBuild Include="$(ExaminePDFAzurePath)*" Exclude="$(ExaminePDFAzurePath)UmbracoExamine.PDF.Azure.dll;$(ExaminePDFAzurePath)UmbracoExamine.PDF.Azure.pdb;$(ExaminePDFAzurePath)UmbracoExamine.PDF.Azure.xml"/>
+    </ItemGroup>
+    <Delete Files="@(FilesToDeleteAfterBuild)" />
+  </Target>
+
+  <Target Name="SetVersionNumber" Condition="'$(BUILD_RELEASE)'!=''">
    <!-- Match & replace 3 and 4 digit version numbers and -beta (if it's there) -->
-    <FileUpdate 
+    <FileUpdate
      Files="..\src\Umbraco.Core\Configuration\UmbracoVersion.cs"
      Regex="(\d+)\.(\d+)\.(\d+)(.(\d+))?"
      ReplacementText="$(BUILD_RELEASE)"/>
@@ -191,5 +278,5 @@
    <FileUpdate Files="..\src\Umbraco.Core\Configuration\UmbracoVersion.cs"
      Regex="CurrentComment { get { return &quot;([a-zA-Z]+)?&quot;"
      ReplacementText="CurrentComment { get { return &quot;$(BUILD_COMMENT)&quot;"/>
- </Target>
+  </Target>
 </Project>
@@ -16,7 +16,7 @@
        <tags>umbraco</tags>
 		<dependencies>
            <dependency id="Microsoft.AspNet.Mvc" version="[4.0.20710.0]" />
-			<dependency id="ServiceStack.Text" version="3.9.21" />
+			<dependency id="Microsoft.AspNet.WebApi" version="4.0.20710.0" />
 			<dependency id="Microsoft.AspNet.Mvc.FixedDisplayModes" version="1.0.0" />
        </dependencies>
    </metadata>
@@ -68,7 +68,5 @@
 		<file src="..\_BuildOutput\WebApp\bin\umbraco.XmlSerializers.dll" target="lib\umbraco.XmlSerializers.dll" />
 		<file src="..\_BuildOutput\WebApp\bin\UmbracoExamine.dll" target="lib\UmbracoExamine.dll" />
 		<file src="..\_BuildOutput\WebApp\bin\UrlRewritingNet.UrlRewriter.dll" target="lib\UrlRewritingNet.UrlRewriter.dll" />
-		<file src="..\_BuildOutput\WebApp\bin\amd64\**" target="Content\bin\amd64" />
-		<file src="..\_BuildOutput\WebApp\bin\x86\**" target="Content\bin\x86" />
 	</files>
 </package>
@@ -15,11 +15,13 @@
        <language>en-US</language>
        <tags>umbraco</tags>
        <dependencies>
-            <dependency id="UmbracoCms.Core" version="$version$" />
+            <dependency id="UmbracoCms.Core" version="[$version$]" />
        </dependencies>
    </metadata>
  <files>
-    <file src="..\_BuildOutput\WebApp\config\*.config" target="Content\config" />
+	<file src="..\_BuildOutput\WebApp\bin\amd64\**" target="Content\bin\amd64" />
+	<file src="..\_BuildOutput\WebApp\bin\x86\**" target="Content\bin\x86" />
+	<file src="..\_BuildOutput\WebApp\config\*.config" target="Content\config" />
 	<file src="..\_BuildOutput\WebApp\css\**" target="Content\css" />
 	<file src="..\_BuildOutput\WebApp\macroScripts\**" target="Content\macroScripts" />
 	<file src="..\_BuildOutput\WebApp\masterpages\**" target="Content\masterpages" />
@@ -21,4 +21,7 @@ if ($project) {
 	$projectDestinationPath = Split-Path $project.FullName -Parent
 	$umbracoFilesPath = Join-Path $rootPath "UmbracoFiles\*"
 	Copy-Item $umbracoFilesPath $projectDestinationPath -recurse -force
+	
+	# Open readme.txt file
+	$DTE.ItemOperations.OpenFile($toolsPath + '\Readme.txt')
 }
@@ -21,29 +21,44 @@ echo ^<?xml version="1.0" encoding="utf-8"?^>^<packages^>^</packages^> >..\src\U
 echo Removing plugin cache files
 del ..\src\Umbraco.Web.UI\App_Data\TEMP\PluginCache\*.*

+echo Removing cache files and examine index
+del ..\src\Umbraco.Web.UI\App_Data\TEMP\*.*
+
 echo Removing log files
 del ..\src\Umbraco.Web.UI\App_Data\Logs\*.*

+echo Removing packages
+del ..\src\Umbraco.Web.UI\App_Data\packages\*.*
+
+echo Removing previews
+del ..\src\Umbraco.Web.UI\App_Data\preview\*.*
+
+echo Removing app code files (typically added by starterkits)
+del ..\src\Umbraco.Web.UI\App_Code\*.*
+
 echo Removing xslt files
-del ..\src\Umbraco.Web.UI\Xslt\*.*
+del ..\src\Umbraco.Web.UI\xslt\*.*

 echo Removing user control files
 del ..\src\Umbraco.Web.UI\UserControls\*.*

+echo Removing masterpage files
+del ..\src\Umbraco.Web.UI\masterpages\*.*
+
 echo Removing view files
 del ..\src\Umbraco.Web.UI\Views\*.*

 echo Removing razor files
-del ..\src\Umbraco.Web.UI\MacroScripts\*.*
+del ..\src\Umbraco.Web.UI\macroScripts\*.*

 echo Removing media files
-del ..\src\Umbraco.Web.UI\Media\*.*
+del ..\src\Umbraco.Web.UI\media\*.*

 echo Removing script files
-del ..\src\Umbraco.Web.UI\Scripts\*.*
+del ..\src\Umbraco.Web.UI\scripts\*.*

 echo Removing css files
-del ..\src\Umbraco.Web.UI\Css\*.*
+del ..\src\Umbraco.Web.UI\css\*.*

 echo "Umbraco install reverted to clean install"
 pause 
@@ -64,29 +79,44 @@ echo ^<?xml version="1.0" encoding="utf-8"?^>^<packages^>^</packages^> >..\src\U
 echo Removing plugin cache files
 FOR %%A IN (..\src\Umbraco.Web.UI\App_Data\TEMP\PluginCache\*.*) DO DEL %%A

+echo Removing cache files and examine index
+FOR %%A IN (..\src\Umbraco.Web.UI\App_Data\TEMP\*.*) DO DEL %%A
+
 echo Removing log files
 FOR %%A IN (..\src\Umbraco.Web.UI\App_Data\Logs\*.*) DO DEL %%A

+echo Removing packages
+FOR %%A IN (..\src\Umbraco.Web.UI\App_Data\packages\*.*) DO DEL %%A
+
+echo Removing previews
+FOR %%A IN (..\src\Umbraco.Web.UI\App_Data\preview\*.*) DO DEL %%A
+
+echo Removing app code files (typically added by starterkits)
+FOR %%A IN (..\src\Umbraco.Web.UI\App_Code\*.*) DO DEL %%A
+
 echo Removing xslt files
-FOR %%A IN (..\src\Umbraco.Web.UI\Xslt\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\xslt\*.*) DO DEL %%A
+
+echo Removing masterpage files
+FOR %%A IN (..\src\Umbraco.Web.UI\masterpages\*.*) DO DEL %%A

 echo Removing user control files
-FOR %%A IN (..\src\Umbraco.Web.UI\UserControls\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\usercontrols\*.*) DO DEL %%A

 echo Removing view files
 FOR %%A IN (..\src\Umbraco.Web.UI\Views\*.*) DO DEL %%A

 echo Removing razor files
-FOR %%A IN (..\src\Umbraco.Web.UI\MacroScripts\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\macroScripts\*.*) DO DEL %%A

 echo Removing media files
-FOR %%A IN (..\src\Umbraco.Web.UI\Media\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\media\*.*) DO DEL %%A

 echo Removing script files
-FOR %%A IN (..\src\Umbraco.Web.UI\Scripts\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\scripts\*.*) DO DEL %%A

 echo Removing css files
-FOR %%A IN (..\src\Umbraco.Web.UI\Css\*.*) DO DEL %%A
+FOR %%A IN (..\src\Umbraco.Web.UI\css\*.*) DO DEL %%A

 echo "Umbraco install reverted to clean install"
 pause 
@@ -50,35 +50,90 @@ namespace SqlCE4Umbraco
        /// </summary>
        internal void ClearDatabase()
        {
+            // drop constraints before tables to avoid exceptions
+            // looping on try/catching exceptions was not really nice
+
+            // http://stackoverflow.com/questions/536350/drop-all-the-tables-stored-procedures-triggers-constriants-and-all-the-depend
+
            var localConnection = new SqlCeConnection(ConnectionString);
            if (System.IO.File.Exists(ReplaceDataDirectory(localConnection.Database)))
            {
-                var tables = new List<string>();
-                using (var reader = ExecuteReader("select table_name from information_schema.tables where TABLE_TYPE <> 'VIEW'"))
+                List<string> tables;
+
+                // drop foreign keys
+                // SQL may need "where constraint_catalog=DB_NAME() and ..."
+                tables = new List<string>();
+                using (var reader = ExecuteReader("select table_name from information_schema.table_constraints where constraint_type = 'FOREIGN KEY' order by table_name"))
                {
-                    while (reader.Read())
+                    while (reader.Read()) tables.Add(reader.GetString("table_name").Trim());
+                }
+
+                foreach (var table in tables)
+                {
+                    var constraints = new List<string>();
+                    using (var reader = ExecuteReader("select constraint_name from information_schema.table_constraints where constraint_type = 'FOREIGN KEY' and table_name = '" + table + "' order by constraint_name"))
                    {
-                        tables.Add(reader.GetString("TABLE_NAME"));
+                        while (reader.Read()) constraints.Add(reader.GetString("constraint_name").Trim());
+                    }
+                    foreach (var constraint in constraints)
+                    {
+                        // SQL may need "[dbo].[table]"
+                        ExecuteNonQuery("alter table [" + table + "] drop constraint [" + constraint + "]");
                    }
                }

-                while(tables.Any())
+                // drop primary keys
+                // SQL may need "where constraint_catalog=DB_NAME() and ..."
+                tables = new List<string>();
+                using (var reader = ExecuteReader("select table_name from information_schema.table_constraints where constraint_type = 'PRIMARY KEY' order by table_name"))
                {
-                    for (var i = 0; i < tables.Count; i++)
-                    {
-                        var dropTable = "DROP TABLE " + tables[i];
+                    while (reader.Read()) tables.Add(reader.GetString("table_name").Trim());
+                }

-                        try
-                        {
-                            ExecuteNonQuery(dropTable);
-                            tables.Remove(tables[i]);
-                        }
-                        catch (SqlHelperException ex)
-                        {
-                            //this will occur because there is no cascade option, so we just wanna try the next one       
-                        }
+                foreach (var table in tables)
+                {
+                    var constraints = new List<string>();
+                    using (var reader = ExecuteReader("select constraint_name from information_schema.table_constraints where constraint_type = 'PRIMARY KEY' and table_name = '" + table + "' order by constraint_name"))
+                    {
+                        while (reader.Read()) constraints.Add(reader.GetString("constraint_name").Trim());
+                    }
+                    foreach (var constraint in constraints)
+                    {
+                        // SQL may need "[dbo].[table]"
+                        ExecuteNonQuery("alter table [" + table + "] drop constraint [" + constraint + "]");
                    }
                }
+
+                // drop tables
+                tables = new List<string>();
+                using (var reader = ExecuteReader("select table_name from information_schema.tables where table_type <> 'VIEW' order by table_name"))
+                {
+                    while (reader.Read()) tables.Add(reader.GetString("table_name").Trim());
+                }
+
+                foreach (var table in tables)
+                {
+                    ExecuteNonQuery("drop table [" + table + "]");
+                }
+            }
+        }
+
+        /// <summary>
+        /// Drops all foreign keys on a table.
+        /// </summary>
+        /// <param name="table">The name of the table.</param>
+        /// <remarks>To be used in unit tests.</remarks>
+        internal void DropForeignKeys(string table)
+        {
+            var constraints = new List<string>();
+            using (var reader = ExecuteReader("select constraint_name from information_schema.table_constraints where constraint_type = 'FOREIGN KEY' and table_name = '" + table + "' order by constraint_name"))
+            {
+                while (reader.Read()) constraints.Add(reader.GetString("constraint_name").Trim());
+            }
+            foreach (var constraint in constraints)
+            {
+                // SQL may need "[dbo].[table]"
+                ExecuteNonQuery("alter table [" + table + "] drop constraint [" + constraint + "]");
            }
        }

@@ -94,7 +149,9 @@ namespace SqlCE4Umbraco
                var dataDirectory = AppDomain.CurrentDomain.GetData("DataDirectory") as string;
                if (!string.IsNullOrEmpty(dataDirectory))
                {
-                    path = path.Replace("|DataDirectory|", dataDirectory + System.IO.Path.DirectorySeparatorChar);
+                    path = path.Contains(@"|\") 
+                        ? path.Replace("|DataDirectory|", dataDirectory) 
+                        : path.Replace("|DataDirectory|", dataDirectory + System.IO.Path.DirectorySeparatorChar);
                }
            }

@@ -9,14 +9,14 @@ namespace Umbraco.Core
 	/// <summary>
 	/// A resolver to return all IAction objects
 	/// </summary>
-	internal sealed class ActionsResolver : ManyObjectsResolverBase<ActionsResolver, IAction>
+	internal sealed class ActionsResolver : LazyManyObjectsResolverBase<ActionsResolver, IAction>
 	{

 		/// <summary>
 		/// Constructor
 		/// </summary>
 		/// <param name="packageActions"></param>		
-		internal ActionsResolver(IEnumerable<Type> packageActions)
+		internal ActionsResolver(Func<IEnumerable<Type>> packageActions)
 			: base(packageActions)
 		{

@@ -34,9 +34,9 @@ namespace Umbraco.Core
 		}

 		protected override IEnumerable<IAction> CreateInstances()
-		{
+		{					
 			var actions = new List<IAction>();
-			var foundIActions = PluginManager.Current.ResolveActions();
+			var foundIActions = InstanceTypes;
 			foreach (var type in foundIActions)
 			{
 				IAction typeInstance;
@@ -1,9 +1,12 @@
 using System;
 using System.Configuration;
+using System.Threading;
 using System.Web;
 using System.Web.Caching;
+using Umbraco.Core.Cache;
 using Umbraco.Core.Configuration;
 using Umbraco.Core.Logging;
+using Umbraco.Core.ObjectResolution;
 using Umbraco.Core.Services;


@@ -15,33 +18,53 @@ namespace Umbraco.Core
    /// <remarks>
    /// one per AppDomain, represents the global Umbraco application
    /// </remarks>
-    public class ApplicationContext
+    public class ApplicationContext : IDisposable
    {
    	/// <summary>
        /// Constructor
        /// </summary>        
        internal ApplicationContext(DatabaseContext dbContext, ServiceContext serviceContext)
-			:this()
+            : this(dbContext, serviceContext, true)
    	{
-    		if (dbContext == null) throw new ArgumentNullException("dbContext");
-    		if (serviceContext == null) throw new ArgumentNullException("serviceContext");
-
-			_databaseContext = dbContext;
-			_services = serviceContext;			
+    			
    	}

+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="dbContext"></param>
+        /// <param name="serviceContext"></param>
+        /// <param name="enableCache"></param>
+        internal ApplicationContext(DatabaseContext dbContext, ServiceContext serviceContext, bool enableCache)
+            : this(enableCache)
+        {
+            if (dbContext == null) throw new ArgumentNullException("dbContext");
+            if (serviceContext == null) throw new ArgumentNullException("serviceContext");
+
+            _databaseContext = dbContext;
+            _services = serviceContext;		
+        }
+
 		/// <summary>
 		/// Empty constructor normally reserved for unit tests when a DatabaseContext or a ServiceContext is not
 		/// necessarily required or needs to be set after construction.
 		/// </summary>
-		internal ApplicationContext()
-		{
-			//create a new application cache from the HttpRuntime.Cache
-			ApplicationCache = HttpRuntime.Cache == null
-				? new CacheHelper(new Cache())
-				: new CacheHelper(HttpRuntime.Cache);
+		internal ApplicationContext() : this(true)
+		{			
 		}

+        /// <summary>
+        /// Constructor used to specify if we will enable application cache or not
+        /// </summary>
+        /// <param name="enableCache"></param>
+        internal ApplicationContext(bool enableCache)
+        {
+            //create a new application cache from the HttpRuntime.Cache
+            ApplicationCache = HttpRuntime.Cache == null
+                ? new CacheHelper(new System.Web.Caching.Cache(), enableCache)
+                : new CacheHelper(HttpRuntime.Cache, enableCache);
+        }
+
 		/// <summary>
    	/// Singleton accessor
    	/// </summary>
@@ -186,5 +209,54 @@ namespace Umbraco.Core
 			}
 			internal set { _services = value; }
 		}
+
+
+        private volatile bool _disposed;
+        private readonly ReaderWriterLockSlim _disposalLocker = new ReaderWriterLockSlim();
+
+        /// <summary>
+        /// This will dispose and reset all resources used to run the application
+        /// </summary>
+        /// <remarks>
+        /// IMPORTANT: Never dispose this object if you require the Umbraco application to run, disposing this object
+        /// is generally used for unit testing and when your application is shutting down after you have booted Umbraco.
+        /// </remarks>
+        void IDisposable.Dispose()
+        {
+            // Only operate if we haven't already disposed
+            if (_disposed) return;
+
+            using (new WriteLock(_disposalLocker))
+            {
+                // Check again now we're inside the lock
+                if (_disposed) return;
+
+                //clear the cache
+                if (ApplicationCache != null)
+                {
+                    ApplicationCache.ClearAllCache();    
+                }
+                //reset all resolvers
+                ResolverCollection.ResetAll();
+                //reset resolution itself (though this should be taken care of by resetting any of the resolvers above)
+                Resolution.Reset();
+                
+                //reset the instance objects
+                this.ApplicationCache = null;
+                if (_databaseContext != null) //need to check the internal field here
+                {
+                    if (DatabaseContext.Database != null)
+                    {
+                        DatabaseContext.Database.Dispose();       
+                    }                    
+                }
+                this.DatabaseContext = null;
+                this.Services = null;
+                this._isReady = false; //set the internal field
+                
+                // Indicate that the instance has been disposed.
+                _disposed = true;
+            }
+        }
    }
 }
@@ -0,0 +1,119 @@
+namespace Umbraco.Core
+{
+    /// <summary>
+    /// A plugin type that allows developers to execute code during the Umbraco bootup process
+    /// </summary>
+    /// <remarks>
+    /// Allows you to override the methods that you would like to execute code for: ApplicationInitialized, ApplicationStarting, ApplicationStarted.
+    /// 
+    /// By default none of these methods will execute if the Umbraco application is not configured or if the Umbraco database is not configured, however
+    /// if you need these methods to execute even if either of these are not configured you can override the properties: 
+    /// ExecuteWhenApplicationNotConfigured and ExecuteWhenDatabaseNotConfigured
+    /// </remarks>
+    public abstract class ApplicationEventHandler : IApplicationEventHandler
+    {
+        public void OnApplicationInitialized(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+            if (ShouldExecute(applicationContext))
+            {
+                ApplicationInitialized(umbracoApplication, applicationContext);
+            }
+        }
+
+        public void OnApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+            if (ShouldExecute(applicationContext))
+            {
+                ApplicationStarting(umbracoApplication, applicationContext);
+            }
+        }
+
+        public void OnApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+            if (ShouldExecute(applicationContext))
+            {
+                ApplicationStarted(umbracoApplication, applicationContext);
+            }
+        }
+
+        /// <summary>
+        /// Overridable method to execute when the ApplicationContext is created and other static objects that require initialization have been setup
+        /// </summary>
+        /// <param name="umbracoApplication"></param>
+        /// <param name="applicationContext"></param>
+        protected virtual void ApplicationInitialized(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+            
+        }
+
+        /// <summary>
+        /// OVerridable method to execute when All resolvers have been initialized but resolution is not frozen so they can be modified in this method
+        /// </summary>
+        /// <param name="umbracoApplication"></param>
+        /// <param name="applicationContext"></param>
+        protected virtual void ApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+
+        }
+
+        /// <summary>
+        /// Overridable method to execute when Bootup is completed, this allows you to perform any other bootup logic required for the application.
+        /// Resolution is frozen so now they can be used to resolve instances.
+        /// </summary>
+        /// <param name="umbracoApplication"></param>
+        /// <param name="applicationContext"></param>
+        protected virtual void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext)
+        {
+
+        }
+
+        /// <summary>
+        /// Determine if the methods should execute based on the configuration status of the application.
+        /// </summary>
+        /// <param name="applicationContext"></param>
+        /// <returns></returns>
+        private bool ShouldExecute(ApplicationContext applicationContext)
+        {
+            if (applicationContext.IsConfigured && applicationContext.DatabaseContext.IsDatabaseConfigured)
+            {
+                return true;
+            }
+
+            if (!applicationContext.IsConfigured && ExecuteWhenApplicationNotConfigured)
+            {
+                return true;
+            }
+
+            if (!applicationContext.DatabaseContext.IsDatabaseConfigured && ExecuteWhenDatabaseNotConfigured)
+            {
+                return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// A flag to determine if the overridable methods for this class will execute even if the 
+        /// Umbraco application is not configured
+        /// </summary>
+        /// <remarks>
+        /// An Umbraco Application is not configured when it requires a new install or upgrade. When the latest version in the
+        /// assembly does not match the version in the config.
+        /// </remarks>
+        protected virtual bool ExecuteWhenApplicationNotConfigured
+        {
+            get { return false; }
+        }
+
+        /// <summary>
+        /// A flag to determine if the overridable methods for this class will execute even if the 
+        /// Umbraco database is not configured
+        /// </summary>
+        /// <remarks>
+        /// The Umbraco database is not configured when we cannot connect to the database or when the database tables are not installed.
+        /// </remarks>
+        protected virtual bool ExecuteWhenDatabaseNotConfigured
+        {
+            get { return false; }
+        }
+    }
+}
@@ -0,0 +1,51 @@
+namespace Umbraco.Core.Cache
+{
+
+    /// <summary>
+    /// Constants storing cache keys used in caching
+    /// </summary>
+    public static class CacheKeys
+    {
+        public const string ApplicationTreeCacheKey = "ApplicationTreeCache";
+        public const string ApplicationsCacheKey = "ApplicationCache";
+
+        public const string UserTypeCacheKey = "UserTypeCache";
+
+        public const string ContentItemCacheKey = "contentItem";
+
+        public const string MediaCacheKey = "UL_GetMedia";
+
+        public const string MacroXsltCacheKey = "macroXslt_";
+        public const string MacroCacheKey = "UmbracoMacroCache";
+        public const string MacroHtmlCacheKey = "macroHtml_";
+        public const string MacroControlCacheKey = "macroControl_";
+        public const string MacroHtmlDateAddedCacheKey = "macroHtml_DateAdded_";
+        public const string MacroControlDateAddedCacheKey = "macroControl_DateAdded_";
+
+        public const string MemberLibraryCacheKey = "UL_GetMember";
+        public const string MemberBusinessLogicCacheKey = "MemberCacheItem_";
+
+        public const string TemplateFrontEndCacheKey = "template";
+        public const string TemplateBusinessLogicCacheKey = "UmbracoTemplateCache";
+
+        public const string UserContextCacheKey = "UmbracoUserContext";
+        public const string UserContextTimeoutCacheKey = "UmbracoUserContextTimeout";
+        public const string UserCacheKey = "UmbracoUser";
+
+        public const string ContentTypeCacheKey = "UmbracoContentType";
+
+        public const string ContentTypePropertiesCacheKey = "ContentType_PropertyTypes_Content:";
+        
+        public const string PropertyTypeCacheKey = "UmbracoPropertyTypeCache";
+
+        public const string LanguageCacheKey = "UmbracoLanguageCache";
+
+        public const string DomainCacheKey = "UmbracoDomainList";
+
+        public const string StylesheetCacheKey = "UmbracoStylesheet";
+        public const string StylesheetPropertyCacheKey = "UmbracoStylesheetProperty";
+
+        public const string DataTypeCacheKey = "UmbracoDataTypeDefinition";
+
+    }
+}
@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Web.Caching;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// An abstract class for implementing a cache helper
+    /// </summary>
+    /// <remarks>
+    /// THIS MUST REMAIN INTERNAL UNTIL WE STREAMLINE HOW ALL CACHE IS HANDLED, WE NEED TO SUPPORT HTTP RUNTIME CACHE, IN MEMORY CACHE, ETC...
+    /// </remarks>
+    internal abstract class CacheProviderBase
+    {
+        public abstract void ClearAllCache();
+        public abstract void ClearCacheItem(string key);
+        public abstract void ClearCacheObjectTypes(string typeName);
+        public abstract void ClearCacheObjectTypes<T>();
+        public abstract void ClearCacheByKeySearch(string keyStartsWith);
+        public abstract void ClearCacheByKeyExpression(string regexString);
+        public abstract IEnumerable<T> GetCacheItemsByKeySearch<T>(string keyStartsWith);
+        public abstract T GetCacheItem<T>(string cacheKey);
+        public abstract T GetCacheItem<T>(string cacheKey, Func<T> getCacheItem);
+        public abstract T GetCacheItem<T>(string cacheKey, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract T GetCacheItem<T>(string cacheKey, CacheItemRemovedCallback refreshAction, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract T GetCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract T GetCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, Func<T> getCacheItem);
+        public abstract void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem);
+        public abstract void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem);
+    }
+}
@@ -0,0 +1,67 @@
+using System;
+using Umbraco.Core.Events;
+using Umbraco.Core.Sync;
+using umbraco.interfaces;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// A base class for cache refreshers to inherit from that ensures the correct events are raised
+    /// when cache refreshing occurs.
+    /// </summary>
+    /// <typeparam name="TInstanceType">The real cache refresher type, this is used for raising strongly typed events</typeparam>
+    public abstract class CacheRefresherBase<TInstanceType> : ICacheRefresher
+        where TInstanceType : ICacheRefresher
+    {
+        /// <summary>
+        /// An event that is raised when cache is updated on an individual server
+        /// </summary>
+        /// <remarks>
+        /// This event will fire on each server configured for an Umbraco project whenever a cache refresher
+        /// is updated.
+        /// </remarks>
+        public static event TypedEventHandler<TInstanceType, CacheRefresherEventArgs> CacheUpdated;
+
+        /// <summary>
+        /// Raises the event
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="args"></param>
+        protected static void OnCacheUpdated(TInstanceType sender, CacheRefresherEventArgs args)
+        {
+            if (CacheUpdated != null)
+            {
+                CacheUpdated(sender, args);
+            }
+        }
+
+        /// <summary>
+        /// Returns the real instance of the object ('this') for use  in strongly typed events
+        /// </summary>
+        protected abstract TInstanceType Instance { get; }
+
+        public abstract Guid UniqueIdentifier { get; }
+
+        public abstract string Name { get; }
+
+        public virtual void RefreshAll()
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(null, MessageType.RefreshAll));
+        }
+
+        public virtual void Refresh(int id)
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(id, MessageType.RefreshById));
+        }
+
+        public virtual void Remove(int id)
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(id, MessageType.RemoveById));
+        }
+
+        public virtual void Refresh(Guid id)
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(id, MessageType.RefreshById));
+        }
+    }
+}
@@ -0,0 +1,19 @@
+using System;
+using Umbraco.Core.Sync;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// Event args for cache refresher updates
+    /// </summary>
+    public class CacheRefresherEventArgs : EventArgs
+    {
+        public CacheRefresherEventArgs(object msgObject, MessageType type)
+        {
+            MessageType = type;
+            MessageObject = msgObject;
+        }
+        public object MessageObject { get; private set; }
+        public MessageType MessageType { get; private set; }
+    }
+}
@@ -0,0 +1,356 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Web.Caching;
+using Umbraco.Core.Logging;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// A CacheProvider that wraps the logic of the HttpRuntime.Cache
+    /// </summary>
+    internal class HttpRuntimeCacheProvider : CacheProviderBase
+    {
+        private readonly System.Web.Caching.Cache _cache;
+        private static readonly object Locker = new object();
+
+        public HttpRuntimeCacheProvider(System.Web.Caching.Cache cache)
+        {
+            _cache = cache;
+        }
+
+        /// <summary>
+        /// Clears everything in umbraco's runtime cache, which means that not only
+        /// umbraco content is removed, but also other cache items from pages running in
+        /// the same application / website. Use with care :-)
+        /// </summary>
+        public override void ClearAllCache()
+        {
+            var cacheEnumerator = _cache.GetEnumerator();
+            while (cacheEnumerator.MoveNext())
+            {
+                _cache.Remove(cacheEnumerator.Key.ToString());
+            }
+        }
+
+        /// <summary>
+        /// Clears the item in umbraco's runtime cache with the given key 
+        /// </summary>
+        /// <param name="key">Key</param>
+        public override void ClearCacheItem(string key)
+        {
+            // NH 10 jan 2012
+            // Patch by the always wonderful Stéphane Gay to avoid cache null refs
+            lock (Locker)
+            {
+                if (_cache[key] == null) return;
+                _cache.Remove(key); ;
+            }
+        }
+
+
+        /// <summary>
+        /// Clears all objects in the System.Web.Cache with the System.Type name as the
+        /// input parameter. (using [object].GetType())
+        /// </summary>
+        /// <param name="typeName">The name of the System.Type which should be cleared from cache ex "System.Xml.XmlDocument"</param>
+        public override void ClearCacheObjectTypes(string typeName)
+        {
+            try
+            {
+                lock (Locker)
+                {
+                    foreach (DictionaryEntry c in _cache)
+                    {
+                        if (_cache[c.Key.ToString()] != null
+                            && _cache[c.Key.ToString()].GetType().ToString().InvariantEquals(typeName))
+                        {
+                            _cache.Remove(c.Key.ToString());
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                LogHelper.Error<CacheHelper>("Cache clearing error", e);
+            }
+        }
+
+        /// <summary>
+        /// Clears all objects in the System.Web.Cache with the System.Type specified
+        /// </summary>
+        public override void ClearCacheObjectTypes<T>()
+        {
+            try
+            {
+                lock (Locker)
+                {
+                    foreach (DictionaryEntry c in _cache)
+                    {
+                        if (_cache[c.Key.ToString()] != null
+                            && _cache[c.Key.ToString()].GetType() == typeof(T))
+                        {
+                            _cache.Remove(c.Key.ToString());
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                LogHelper.Error<CacheHelper>("Cache clearing error", e);
+            }
+        }
+
+        /// <summary>
+        /// Clears all cache items that starts with the key passed.
+        /// </summary>
+        /// <param name="keyStartsWith">The start of the key</param>
+        public override void ClearCacheByKeySearch(string keyStartsWith)
+        {
+            foreach (DictionaryEntry c in _cache)
+            {
+                if (c.Key is string && ((string)c.Key).InvariantStartsWith(keyStartsWith))
+                {
+                    ClearCacheItem((string)c.Key);
+                }
+            }
+        }
+
+        /// <summary>
+        /// Clears all cache items that have a key that matches the regular expression
+        /// </summary>
+        /// <param name="regexString"></param>
+        public override void ClearCacheByKeyExpression(string regexString)
+        {
+            foreach (DictionaryEntry c in _cache)
+            {
+                if (c.Key is string && Regex.IsMatch(((string)c.Key), regexString))
+                {
+                    ClearCacheItem((string)c.Key);
+                }
+            }
+        }
+
+        public override IEnumerable<T> GetCacheItemsByKeySearch<T>(string keyStartsWith)
+        {
+            return (from DictionaryEntry c in _cache
+                    where c.Key is string && ((string)c.Key).InvariantStartsWith(keyStartsWith)
+                    select c.Value.TryConvertTo<T>()
+                    into attempt
+                    where attempt.Success
+                    select attempt.Result).ToList();
+        }
+
+        /// <summary>
+        /// Returns a cache item by key, does not update the cache if it isn't there.
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey)
+        {
+            var result = _cache.Get(cacheKey);
+            if (result == null)
+            {
+                return default(TT);
+            }
+            return result.TryConvertTo<TT>().Result;
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with all of the default parameters
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey, Func<TT> getCacheItem)
+        {
+            return GetCacheItem(cacheKey, CacheItemPriority.Normal, null, null, null, getCacheItem, Locker);
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey,
+                                            TimeSpan? timeout, Func<TT> getCacheItem)
+        {
+            return GetCacheItem(cacheKey, null, timeout, getCacheItem);
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey,
+                                            CacheItemRemovedCallback refreshAction, TimeSpan? timeout,
+                                            Func<TT> getCacheItem)
+        {
+            return GetCacheItem(cacheKey, CacheItemPriority.Normal, refreshAction, timeout, getCacheItem);
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey,
+                                            CacheItemPriority priority, CacheItemRemovedCallback refreshAction, TimeSpan? timeout,
+                                            Func<TT> getCacheItem)
+        {
+            return GetCacheItem(cacheKey, priority, refreshAction, null, timeout, getCacheItem);
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public override TT GetCacheItem<TT>(string cacheKey,
+                                            CacheItemPriority priority,
+                                            CacheItemRemovedCallback refreshAction,
+                                            CacheDependency cacheDependency,
+                                            TimeSpan? timeout,
+                                            Func<TT> getCacheItem)
+        {
+            return GetCacheItem(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem, Locker);
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <param name="syncLock"></param>
+        /// <returns></returns>
+        private TT GetCacheItem<TT>(string cacheKey,
+                                     CacheItemPriority priority, CacheItemRemovedCallback refreshAction,
+                                     CacheDependency cacheDependency, TimeSpan? timeout, Func<TT> getCacheItem, object syncLock)
+        {
+            var result = _cache.Get(cacheKey);
+            if (result == null)
+            {
+                lock (syncLock)
+                {
+                    result = _cache.Get(cacheKey);
+                    if (result == null)
+                    {
+                        result = getCacheItem();
+                        if (result != null)
+                        {
+                            //we use Insert instead of add if for some crazy reason there is now a cache with the cache key in there, it will just overwrite it.
+                            _cache.Insert(cacheKey, result, cacheDependency,
+                                          timeout == null ? System.Web.Caching.Cache.NoAbsoluteExpiration : DateTime.Now.Add(timeout.Value),
+                                          TimeSpan.Zero, priority, refreshAction);
+                        }
+                    }
+                }
+            }
+            return result.TryConvertTo<TT>().Result;
+        }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="getCacheItem"></param>
+        public override void InsertCacheItem<T>(string cacheKey,
+                                                CacheItemPriority priority,
+                                                Func<T> getCacheItem)
+        {
+            InsertCacheItem(cacheKey, priority, null, null, null, getCacheItem);
+        }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        public override void InsertCacheItem<T>(string cacheKey,
+                                                CacheItemPriority priority,
+                                                TimeSpan? timeout,
+                                                Func<T> getCacheItem)
+        {
+            InsertCacheItem(cacheKey, priority, null, null, timeout, getCacheItem);
+        }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        public override void InsertCacheItem<T>(string cacheKey,
+                                                CacheItemPriority priority,
+                                                CacheDependency cacheDependency,
+                                                TimeSpan? timeout,
+                                                Func<T> getCacheItem)
+        {
+            InsertCacheItem(cacheKey, priority, null, cacheDependency, timeout, getCacheItem);
+        }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        public override void InsertCacheItem<T>(string cacheKey,
+                                                CacheItemPriority priority,
+                                                CacheItemRemovedCallback refreshAction,
+                                                CacheDependency cacheDependency,
+                                                TimeSpan? timeout,
+                                                Func<T> getCacheItem)
+        {
+            object result = getCacheItem();
+            if (result != null)
+            {
+                //we use Insert instead of add if for some crazy reason there is now a cache with the cache key in there, it will just overwrite it.
+                _cache.Insert(cacheKey, result, cacheDependency,
+                              timeout == null ? System.Web.Caching.Cache.NoAbsoluteExpiration : DateTime.Now.Add(timeout.Value),
+                              TimeSpan.Zero, priority, refreshAction);
+            }
+        }
+
+    }
+}
@@ -0,0 +1,18 @@
+using umbraco.interfaces;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// Strongly type cache refresher that is able to refresh cache of real instances of objects as well as IDs
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <remarks>
+    /// This is much better for performance when we're not running in a load balanced environment so we can refresh the cache
+    /// against a already resolved object instead of looking the object back up by id. 
+    /// </remarks>
+    interface ICacheRefresher<T> : ICacheRefresher
+    {
+        void Refresh(T instance);
+        void Remove(T instance);
+    }
+}
@@ -0,0 +1,16 @@
+using umbraco.interfaces;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// A cache refresher that supports refreshing or removing cache based on a custom Json payload
+    /// </summary>
+    interface IJsonCacheRefresher : ICacheRefresher
+    {
+        /// <summary>
+        /// Refreshes, clears, etc... any cache based on the information provided in the json
+        /// </summary>
+        /// <param name="jsonPayload"></param>
+        void Refresh(string jsonPayload);
+    }
+}
@@ -0,0 +1,20 @@
+using Umbraco.Core.Sync;
+using umbraco.interfaces;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// A base class for json cache refreshers that ensures the correct events are raised when 
+    /// cache refreshing occurs.
+    /// </summary>
+    /// <typeparam name="TInstanceType">The real cache refresher type, this is used for raising strongly typed events</typeparam>
+    public abstract class JsonCacheRefresherBase<TInstanceType> : CacheRefresherBase<TInstanceType>, IJsonCacheRefresher 
+        where TInstanceType : ICacheRefresher
+    {        
+
+        public virtual void Refresh(string jsonPayload)
+        {            
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(jsonPayload, MessageType.RefreshByJson));
+        }
+    }
+}
@@ -0,0 +1,85 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web.Caching;
+
+namespace Umbraco.Core.Cache
+{
+    internal class NullCacheProvider : CacheProviderBase
+    {
+        public override void ClearAllCache()
+        {
+        }
+
+        public override void ClearCacheItem(string key)
+        {
+        }
+
+        public override void ClearCacheObjectTypes(string typeName)
+        {
+        }
+
+        public override void ClearCacheObjectTypes<T>()
+        {
+        }
+
+        public override void ClearCacheByKeySearch(string keyStartsWith)
+        {
+        }
+
+        public override void ClearCacheByKeyExpression(string regexString)
+        {
+        }
+
+        public override IEnumerable<T> GetCacheItemsByKeySearch<T>(string keyStartsWith)
+        {
+            return Enumerable.Empty<T>();
+        }
+
+        public override T GetCacheItem<T>(string cacheKey)
+        {
+            return default(T);
+        }
+
+        public override T GetCacheItem<T>(string cacheKey, Func<T> getCacheItem)
+        {
+            return getCacheItem();
+        }
+
+        public override T GetCacheItem<T>(string cacheKey, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+            return getCacheItem();
+        }
+
+        public override T GetCacheItem<T>(string cacheKey, CacheItemRemovedCallback refreshAction, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+            return getCacheItem();
+        }
+
+        public override T GetCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+            return getCacheItem();
+        }
+
+        public override T GetCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+            return getCacheItem();
+        }
+
+        public override void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, Func<T> getCacheItem)
+        {
+        }
+
+        public override void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+        }
+
+        public override void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+        }
+
+        public override void InsertCacheItem<T>(string cacheKey, CacheItemPriority priority, CacheItemRemovedCallback refreshAction, CacheDependency cacheDependency, TimeSpan? timeout, Func<T> getCacheItem)
+        {
+        }
+    }
+}
@@ -0,0 +1,25 @@
+using Umbraco.Core.Sync;
+using umbraco.interfaces;
+
+namespace Umbraco.Core.Cache
+{
+    /// <summary>
+    /// A base class for cache refreshers to inherit from that ensures the correct events are raised
+    /// when cache refreshing occurs.
+    /// </summary>
+    /// <typeparam name="TInstanceType">The real cache refresher type, this is used for raising strongly typed events</typeparam>
+    /// <typeparam name="TEntityType">The entity type that this refresher can update cache for</typeparam>
+    public abstract class TypedCacheRefresherBase<TInstanceType, TEntityType> : CacheRefresherBase<TInstanceType>, ICacheRefresher<TEntityType>
+        where TInstanceType : ICacheRefresher
+    {
+        public virtual void Refresh(TEntityType instance)
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(instance, MessageType.RefreshByInstance));
+        }
+
+        public virtual void Remove(TEntityType instance)
+        {
+            OnCacheUpdated(Instance, new CacheRefresherEventArgs(instance, MessageType.RemoveByInstance));
+        }
+    }
+}
@@ -3,8 +3,10 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Web;
 using System.Web.Caching;
+using Umbraco.Core.Cache;
 using Umbraco.Core.Logging;

 namespace Umbraco.Core
@@ -16,29 +18,33 @@ namespace Umbraco.Core
 	/// <remarks>
 	/// This class may be opened publicly at some point but needs a review of what is absoletely necessary.
 	/// </remarks>
-	public class CacheHelper
+    public class CacheHelper  //: CacheProviderBase
 	{
-		private readonly Cache _cache;
+	    private readonly bool _enableCache;
+	    private readonly HttpRuntimeCacheProvider _httpCache;
+	    private readonly NullCacheProvider _nullCache = new NullCacheProvider();

 		public CacheHelper(System.Web.Caching.Cache cache)
+            : this(cache, true)
 		{
-			_cache = cache;
 		}

-		private static readonly object Locker = new object();
-
-        /// <summary>
-        /// Clears everything in umbraco's runtime cache, which means that not only
-        /// umbraco content is removed, but also other cache items from pages running in
-        /// the same application / website. Use with care :-)
-        /// </summary>
+	    internal CacheHelper(System.Web.Caching.Cache cache, bool enableCache)
+	    {
+            _httpCache = new HttpRuntimeCacheProvider(cache);
+	        _enableCache = enableCache;
+	    }
+        
        public void ClearAllCache()
        {                         
-			var cacheEnumerator = _cache.GetEnumerator();
-            while (cacheEnumerator.MoveNext())
-            {
-                _cache.Remove(cacheEnumerator.Key.ToString());
-            }
+			if (!_enableCache)
+			{
+			    _nullCache.ClearAllCache();
+			}
+			else
+			{
+			    _httpCache.ClearAllCache();
+			}
        }

        /// <summary>
@@ -47,12 +53,13 @@ namespace Umbraco.Core
        /// <param name="key">Key</param>
        public void ClearCacheItem(string key)
        {
-            // NH 10 jan 2012
-            // Patch by the always wonderful Stéphane Gay to avoid cache null refs
-            lock (Locker)
+            if (!_enableCache)
            {
-	            if (_cache[key] == null) return;
-	            _cache.Remove(key);;
+                _nullCache.ClearCacheItem(key);
+            }
+            else
+            {
+                _httpCache.ClearCacheItem(key);
            }
        }

@@ -64,54 +71,191 @@ namespace Umbraco.Core
        /// <param name="typeName">The name of the System.Type which should be cleared from cache ex "System.Xml.XmlDocument"</param>
        public void ClearCacheObjectTypes(string typeName)
        {
-            try
+            if (!_enableCache)
            {
-				lock (Locker)
-				{
-					foreach (var c in from DictionaryEntry c in _cache where _cache[c.Key.ToString()] != null && _cache[c.Key.ToString()].GetType().ToString() == typeName select c)
-					{
-						_cache.Remove(c.Key.ToString());
-					}
-				}	            
+                _nullCache.ClearCacheObjectTypes(typeName);
            }
-            catch (Exception e)
+            else
            {
-				LogHelper.Error<CacheHelper>("Cache clearing error", e);
+                _httpCache.ClearCacheObjectTypes(typeName);
            }
        }

        /// <summary>
+        /// Clears all objects in the System.Web.Cache with the System.Type specified
+        /// </summary>
+	    public void ClearCacheObjectTypes<T>()
+	    {
+            if (!_enableCache)
+            {
+                _nullCache.ClearCacheObjectTypes<T>();
+            }
+            else
+            {
+                _httpCache.ClearCacheObjectTypes<T>();
+            }
+	    }
+
+	    /// <summary>
        /// Clears all cache items that starts with the key passed.
        /// </summary>
        /// <param name="keyStartsWith">The start of the key</param>
        public void ClearCacheByKeySearch(string keyStartsWith)
+	    {
+            if (!_enableCache)
+            {
+                _nullCache.ClearCacheByKeySearch(keyStartsWith);
+            }
+            else
+            {
+                _httpCache.ClearCacheByKeySearch(keyStartsWith);
+            }
+	    }
+
+        /// <summary>
+        /// Clears all cache items that have a key that matches the regular expression
+        /// </summary>
+        /// <param name="regexString"></param>
+	    public void ClearCacheByKeyExpression(string regexString)
+	    {
+            if (!_enableCache)
+            {
+                _nullCache.ClearCacheByKeyExpression(regexString);
+            }
+            else
+            {
+                _httpCache.ClearCacheByKeyExpression(regexString);
+            }
+	    }
+
+        public IEnumerable<T> GetCacheItemsByKeySearch<T>(string keyStartsWith)
        {
-	        foreach (var c in from DictionaryEntry c in _cache where c.Key is string && ((string)c.Key).StartsWith(keyStartsWith) select c)
-	        {
-		        ClearCacheItem((string)c.Key);
-	        }
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItemsByKeySearch<T>(keyStartsWith);
+            }
+            else
+            {
+                return _httpCache.GetCacheItemsByKeySearch<T>(keyStartsWith);
+            }
        }
-		
+
+	    /// <summary>
+        /// Returns a cache item by key, does not update the cache if it isn't there.
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <returns></returns>
+        public TT GetCacheItem<TT>(string cacheKey)
+        {
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey);
+            }
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with all of the default parameters
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public TT GetCacheItem<TT>(string cacheKey, Func<TT> getCacheItem)
+        {
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, getCacheItem);
+            }
+        }
+
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
        public TT GetCacheItem<TT>(string cacheKey,
            TimeSpan timeout, Func<TT> getCacheItem)
        {
-            return GetCacheItem(cacheKey, null, timeout, getCacheItem);
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, timeout, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, timeout, getCacheItem);
+            }
        }

+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
        public TT GetCacheItem<TT>(string cacheKey,
            CacheItemRemovedCallback refreshAction, TimeSpan timeout,
            Func<TT> getCacheItem)
        {
-            return GetCacheItem(cacheKey, CacheItemPriority.Normal, refreshAction, timeout, getCacheItem);
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, refreshAction, timeout, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, refreshAction, timeout, getCacheItem);
+            }
        }

+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
        public TT GetCacheItem<TT>(string cacheKey,
            CacheItemPriority priority, CacheItemRemovedCallback refreshAction, TimeSpan timeout,
            Func<TT> getCacheItem)
        {
-            return GetCacheItem(cacheKey, priority, refreshAction, null, timeout, getCacheItem);
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, priority, refreshAction, timeout, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, priority, refreshAction, timeout, getCacheItem);
+            }
        }

+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache with the specified absolute expiration date (from NOW)
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
        public TT GetCacheItem<TT>(string cacheKey,
            CacheItemPriority priority, 
 			CacheItemRemovedCallback refreshAction,
@@ -119,46 +263,136 @@ namespace Umbraco.Core
 			TimeSpan timeout, 
 			Func<TT> getCacheItem)
        {
-	        return GetCacheItem(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem, Locker);
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem);
+            }
        }

-		/// <summary>
-		/// This is used only for legacy purposes as I did not want to change all of the locking to one lock found on this object, 
-		/// however, the reason this is used for legacy purposes is because I see zero reason to use different sync locks, just the one
-		/// lock (Locker) on this class should be sufficient.
-		/// </summary>
-		/// <typeparam name="TT"></typeparam>
-		/// <param name="cacheKey"></param>
-		/// <param name="priority"></param>
-		/// <param name="refreshAction"></param>
-		/// <param name="cacheDependency"></param>
-		/// <param name="timeout"></param>
-		/// <param name="getCacheItem"></param>
-		/// <param name="syncLock"></param>
-		/// <returns></returns>
-		internal TT GetCacheItem<TT>(string cacheKey,
-			CacheItemPriority priority, CacheItemRemovedCallback refreshAction,
-			CacheDependency cacheDependency, TimeSpan timeout, Func<TT> getCacheItem, object syncLock)
-		{
-			var result = _cache.Get(cacheKey);
-			if (result == null)
-			{
-				lock (syncLock)
-				{
-					result = _cache.Get(cacheKey);
-					if (result == null)
-					{
-						result = getCacheItem();
-						if (result != null)
-						{
-							//we use Insert instead of add if for some crazy reason there is now a cache with the cache key in there, it will just overwrite it.
-							_cache.Insert(cacheKey, result, cacheDependency, DateTime.Now.Add(timeout), TimeSpan.Zero, priority, refreshAction);
-						}
-					}
-				}
-			}
-			return (TT)result;
-		}
-    }
+        /// <summary>
+        /// Gets (and adds if necessary) an item from the cache
+        /// </summary>
+        /// <typeparam name="TT"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="getCacheItem"></param>
+        /// <returns></returns>
+        public TT GetCacheItem<TT>(string cacheKey,
+            CacheItemPriority priority,
+            CacheDependency cacheDependency,
+            Func<TT> getCacheItem)
+        {
+            if (!_enableCache)
+            {
+                return _nullCache.GetCacheItem<TT>(cacheKey, priority, null, cacheDependency, null, getCacheItem);
+            }
+            else
+            {
+                return _httpCache.GetCacheItem<TT>(cacheKey, priority, null, cacheDependency, null, getCacheItem);
+            }
+        }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="getCacheItem"></param>
+        public void InsertCacheItem<T>(string cacheKey,
+                                       CacheItemPriority priority,
+                                       Func<T> getCacheItem)
+        {
+            if (!_enableCache)
+            {
+                _nullCache.InsertCacheItem<T>(cacheKey, priority, getCacheItem);
+            }
+            else
+            {
+                _httpCache.InsertCacheItem<T>(cacheKey, priority, getCacheItem);
+            }
+        }
+		
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+        public void InsertCacheItem<T>(string cacheKey,
+                                       CacheItemPriority priority,
+                                       TimeSpan timeout,
+                                       Func<T> getCacheItem)
+        {
+            if (!_enableCache)
+            {
+                _nullCache.InsertCacheItem<T>(cacheKey, priority, timeout, getCacheItem);
+            }
+            else
+            {
+                _httpCache.InsertCacheItem<T>(cacheKey, priority, timeout, getCacheItem);
+            }
+        }
+
+	    /// <summary>
+	    /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+	    /// </summary>
+	    /// <typeparam name="T"></typeparam>
+	    /// <param name="cacheKey"></param>
+	    /// <param name="priority"></param>
+	    /// <param name="cacheDependency"></param>
+	    /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+	    /// <param name="getCacheItem"></param>
+	    public void InsertCacheItem<T>(string cacheKey,
+	                                   CacheItemPriority priority,
+	                                   CacheDependency cacheDependency,
+	                                   TimeSpan timeout,
+	                                   Func<T> getCacheItem)
+	    {
+            if (!_enableCache)
+            {
+                _nullCache.InsertCacheItem<T>(cacheKey, priority, cacheDependency, timeout, getCacheItem);
+            }
+            else
+            {
+                _httpCache.InsertCacheItem<T>(cacheKey, priority, cacheDependency, timeout, getCacheItem);
+            }
+	    }
+
+        /// <summary>
+        /// Inserts an item into the cache, if it already exists in the cache it will be replaced
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="cacheKey"></param>
+        /// <param name="priority"></param>
+        /// <param name="refreshAction"></param>
+        /// <param name="cacheDependency"></param>
+        /// <param name="timeout">This will set an absolute expiration from now until the timeout</param>
+        /// <param name="getCacheItem"></param>
+	    public void InsertCacheItem<T>(string cacheKey,
+	                                   CacheItemPriority priority,
+	                                   CacheItemRemovedCallback refreshAction,
+	                                   CacheDependency cacheDependency,
+	                                   TimeSpan? timeout,
+	                                   Func<T> getCacheItem)
+	    {
+            if (!_enableCache)
+            {
+                _nullCache.InsertCacheItem<T>(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem);
+            }
+            else
+            {
+                _httpCache.InsertCacheItem<T>(cacheKey, priority, refreshAction, cacheDependency, timeout, getCacheItem);
+            }
+	    }
+
+	}

 }
@@ -17,7 +17,7 @@ namespace Umbraco.Core
 		/// Constructor
 		/// </summary>
 		/// <param name="refreshers"></param>		
-		internal CacheRefreshersResolver(IEnumerable<Type> refreshers)
+		internal CacheRefreshersResolver(Func<IEnumerable<Type>> refreshers)
 			: base(refreshers)
 		{
 			
@@ -31,7 +31,7 @@ namespace Umbraco.Core
 		{
 			get
 			{
-				EnsureIdsAreTracked();
+				EnsureIsInitialized();
 				return Values;
 			}
 		}
@@ -0,0 +1,35 @@
+using System;
+
+namespace Umbraco.Core.CodeAnnotations
+{
+    /// <summary>
+    /// Attribute to add a Friendly Name string with an UmbracoObjectType enum value
+    /// </summary>
+    [AttributeUsage(AttributeTargets.All, AllowMultiple = false, Inherited = false)]
+    internal class FriendlyNameAttribute : Attribute
+    {
+        /// <summary>
+        /// friendly name value
+        /// </summary>
+        private readonly string _friendlyName;
+
+        /// <summary>
+        /// Initializes a new instance of the FriendlyNameAttribute class
+        /// Sets the friendly name value
+        /// </summary>
+        /// <param name="friendlyName">attribute value</param>
+        public FriendlyNameAttribute(string friendlyName)
+        {
+            this._friendlyName = friendlyName;
+        }
+
+        /// <summary>
+        /// Gets the friendly name
+        /// </summary>
+        /// <returns>string of friendly name</returns>
+        public override string ToString()
+        {
+            return this._friendlyName;
+        }
+    }
+}
@@ -0,0 +1,26 @@
+using System;
+
+namespace Umbraco.Core.CodeAnnotations
+{
+    /// <summary>
+    /// Attribute to associate a GUID string and Type with an UmbracoObjectType Enum value
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Field, AllowMultiple = false, Inherited = false)]
+    internal class UmbracoObjectTypeAttribute : Attribute
+    {
+        public UmbracoObjectTypeAttribute(string objectId)
+        {
+            ObjectId = new Guid(objectId);
+        }
+
+        public UmbracoObjectTypeAttribute(string objectId, Type modelType)
+        {
+            ObjectId = new Guid(objectId);
+            ModelType = modelType;
+        }
+
+        public Guid ObjectId { get; private set; }
+
+        public Type ModelType { get; private set; }
+    }
+}
@@ -0,0 +1,167 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+
+namespace Umbraco.Core
+{
+    /// <summary>
+    /// A thread-safe representation of a <see cref="HashSet{T}"/>. 
+    /// Enumerating this collection is thread-safe and will only operate on a clone that is generated before returning the enumerator.
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    [Serializable]
+    public class ConcurrentHashSet<T> : ICollection<T>
+    {
+        private readonly HashSet<T> _innerSet = new HashSet<T>();
+        private readonly ReaderWriterLockSlim _instanceLocker = new ReaderWriterLockSlim(LockRecursionPolicy.NoRecursion);
+
+        /// <summary>
+        /// Returns an enumerator that iterates through the collection.
+        /// </summary>
+        /// <returns>
+        /// A <see cref="T:System.Collections.Generic.IEnumerator`1"/> that can be used to iterate through the collection.
+        /// </returns>
+        /// <filterpriority>1</filterpriority>
+        public IEnumerator<T> GetEnumerator()
+        {
+            return GetThreadSafeClone().GetEnumerator();
+        }
+
+        /// <summary>
+        /// Returns an enumerator that iterates through a collection.
+        /// </summary>
+        /// <returns>
+        /// An <see cref="T:System.Collections.IEnumerator"/> object that can be used to iterate through the collection.
+        /// </returns>
+        /// <filterpriority>2</filterpriority>
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return GetEnumerator();
+        }
+
+        /// <summary>
+        /// Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1"/>.
+        /// </summary>
+        /// <returns>
+        /// true if <paramref name="item"/> was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1"/>; otherwise, false. This method also returns false if <paramref name="item"/> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1"/>.
+        /// </returns>
+        /// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param><exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"/> is read-only.</exception>
+        public bool Remove(T item)
+        {
+            using (new WriteLock(_instanceLocker))
+            {
+                return _innerSet.Remove(item);
+            }
+        }
+
+
+        /// <summary>
+        /// Gets the number of elements contained in the <see cref="T:System.Collections.ICollection"/>.
+        /// </summary>
+        /// <returns>
+        /// The number of elements contained in the <see cref="T:System.Collections.ICollection"/>.
+        /// </returns>
+        /// <filterpriority>2</filterpriority>
+        public int Count
+        {
+            get { return GetThreadSafeClone().Count; }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether the <see cref="T:System.Collections.Generic.ICollection`1"/> is read-only.
+        /// </summary>
+        /// <returns>
+        /// true if the <see cref="T:System.Collections.Generic.ICollection`1"/> is read-only; otherwise, false.
+        /// </returns>
+        public bool IsReadOnly
+        {
+            get { return false; }
+        }
+
+        /// <summary>
+        /// Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1"/>.
+        /// </summary>
+        /// <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param><exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"/> is read-only.</exception>
+        public void Add(T item)
+        {
+            using (new WriteLock(_instanceLocker))
+            {
+                _innerSet.Add(item);
+            }
+        }
+        
+        /// <summary>
+        /// Attempts to add an item to the collection
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        public bool TryAdd(T item)
+        {
+            var clone = GetThreadSafeClone();
+            if (clone.Contains(item)) return false;
+            using (new WriteLock(_instanceLocker))
+            {
+                //double check
+                if (_innerSet.Contains(item)) return false;
+                _innerSet.Add(item);
+                return true;
+            }
+        }
+
+        /// <summary>
+        /// Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1"/>.
+        /// </summary>
+        /// <exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"/> is read-only. </exception>
+        public void Clear()
+        {
+            using (new WriteLock(_instanceLocker))
+            {
+                _innerSet.Clear();
+            }
+        }
+
+        /// <summary>
+        /// Determines whether the <see cref="T:System.Collections.Generic.ICollection`1"/> contains a specific value.
+        /// </summary>
+        /// <returns>
+        /// true if <paramref name="item"/> is found in the <see cref="T:System.Collections.Generic.ICollection`1"/>; otherwise, false.
+        /// </returns>
+        /// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1"/>.</param>
+        public bool Contains(T item)
+        {
+            return GetThreadSafeClone().Contains(item);
+        }
+
+        /// <summary>
+        /// Copies the elements of the <see cref="T:System.Collections.Concurrent.IProducerConsumerCollection`1"/> to an <see cref="T:System.Array"/>, starting at a specified index.
+        /// </summary>
+        /// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from the <see cref="T:System.Collections.Concurrent.IProducerConsumerCollection`1"/>. The array must have zero-based indexing.</param><param name="index">The zero-based index in <paramref name="array"/> at which copying begins.</param><exception cref="T:System.ArgumentNullException"><paramref name="array"/> is a null reference (Nothing in Visual Basic).</exception><exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index"/> is less than zero.</exception><exception cref="T:System.ArgumentException"><paramref name="index"/> is equal to or greater than the length of the <paramref name="array"/> -or- The number of elements in the source <see cref="T:System.Collections.Concurrent.ConcurrentQueue`1"/> is greater than the available space from <paramref name="index"/> to the end of the destination <paramref name="array"/>.</exception>
+        public void CopyTo(T[] array, int index)
+        {
+            var clone = GetThreadSafeClone();
+            clone.CopyTo(array, index);
+        }
+
+        private HashSet<T> GetThreadSafeClone()
+        {
+            HashSet<T> clone = null;
+            using (new WriteLock(_instanceLocker))
+            {
+                clone = new HashSet<T>(_innerSet, _innerSet.Comparer);
+            }
+            return clone;
+        }
+
+        /// <summary>
+        /// Copies the elements of the <see cref="T:System.Collections.ICollection"/> to an <see cref="T:System.Array"/>, starting at a particular <see cref="T:System.Array"/> index.
+        /// </summary>
+        /// <param name="array">The one-dimensional <see cref="T:System.Array"/> that is the destination of the elements copied from <see cref="T:System.Collections.ICollection"/>. The <see cref="T:System.Array"/> must have zero-based indexing. </param><param name="index">The zero-based index in <paramref name="array"/> at which copying begins. </param><exception cref="T:System.ArgumentNullException"><paramref name="array"/> is null. </exception><exception cref="T:System.ArgumentOutOfRangeException"><paramref name="index"/> is less than zero. </exception><exception cref="T:System.ArgumentException"><paramref name="array"/> is multidimensional.-or- The number of elements in the source <see cref="T:System.Collections.ICollection"/> is greater than the available space from <paramref name="index"/> to the end of the destination <paramref name="array"/>. </exception><exception cref="T:System.ArgumentException">The type of the source <see cref="T:System.Collections.ICollection"/> cannot be cast automatically to the type of the destination <paramref name="array"/>. </exception><filterpriority>2</filterpriority>
+        public void CopyTo(Array array, int index)
+        {
+            var clone = GetThreadSafeClone();
+            Array.Copy(clone.ToArray(), 0, array, index, clone.Count);
+        }
+    }
+}
@@ -0,0 +1,32 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+using System.Linq;
+using System.Configuration;
+
+namespace Umbraco.Core.Configuration
+{
+    /// <summary>
+    /// A case-insensitive configuration converter for enumerations.
+    /// </summary>
+    /// <typeparam name="T">The type of the enumeration.</typeparam>
+    internal class CaseInsensitiveEnumConfigConverter<T> : ConfigurationConverterBase
+        where T : struct
+    {
+        public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data)
+        {
+            if (data == null)
+                throw new ArgumentNullException("data");
+
+            //return Enum.Parse(typeof(T), (string)data, true);
+
+            T value;
+            if (Enum.TryParse((string)data, true, out value))
+                return value;
+
+            throw new Exception(string.Format("\"{0}\" is not valid {1} value. Valid values are: {2}.",
+                data, typeof(T).Name,
+                string.Join(", ", Enum.GetValues(typeof(T)).Cast<T>())));
+        }
+    }
+}
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Umbraco.Core.Configuration
+{
+	/// <summary>
+	/// Indicates the configuration key for a section or a group.
+	/// </summary>
+	[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
+	internal sealed class ConfigurationKeyAttribute : Attribute
+	{
+	    /// <summary>
+	    /// Initializes a new instance of the <see cref="ConfigurationKeyAttribute"/> class with a configuration key.
+	    /// </summary>
+	    /// <param name="configurationKey">The configurationkey.</param>
+	    public ConfigurationKeyAttribute(string configurationKey)
+	    {
+	        ConfigurationKey = configurationKey;
+	    }
+
+        /// <summary>
+        /// Gets or sets the configuration key.
+        /// </summary>
+        public string ConfigurationKey { get; private set; }
+	}
+}
@@ -28,24 +28,58 @@ namespace Umbraco.Core.Configuration
        #region Private static fields

        private static Version _version;
-        private static string _reservedUrlsCache;
+        private static readonly object Locker = new object();
+        //make this volatile so that we can ensure thread safety with a double check lock
+    	private static volatile string _reservedUrlsCache;
        private static string _reservedPathsCache;
        private static StartsWithContainer _reservedList = new StartsWithContainer();
+        private static string _reservedPaths;
+        private static string _reservedUrls;
+        //ensure the built on (non-changeable) reserved paths are there at all times
+        private const string StaticReservedPaths = "~/app_plugins/,~/install/,";
+        private const string StaticReservedUrls = "~/config/splashes/booting.aspx,~/install/default.aspx,~/config/splashes/noNodes.aspx,~/VSEnterpriseHelper.axd,";

        #endregion

        /// <summary>
+        /// Used in unit testing to reset all config items that were set with property setters (i.e. did not come from config)
+        /// </summary>
+        private static void ResetInternal()
+        {
+            _reservedUrlsCache = null;
+            _reservedPaths = null;
+            _reservedUrls = null;
+        }
+
+        /// <summary>
+        /// Resets settings that were set programmatically, to their initial values.
+        /// </summary>
+        /// <remarks>To be used in unit tests.</remarks>
+        internal static void Reset()
+        {
+            ResetInternal();
+        }
+
+    	/// <summary>
        /// Gets the reserved urls from web.config.
        /// </summary>
        /// <value>The reserved urls.</value>
        public static string ReservedUrls
        {
            get
-            {
-                return ConfigurationManager.AppSettings.ContainsKey("umbracoReservedUrls")
-                    ? ConfigurationManager.AppSettings["umbracoReservedUrls"]
-                    : string.Empty;
+            {                
+                if (_reservedUrls == null)
+                {
+                    var urls = ConfigurationManager.AppSettings.ContainsKey("umbracoReservedUrls")
+                                   ? ConfigurationManager.AppSettings["umbracoReservedUrls"]
+                                   : string.Empty;
+
+                    //ensure the built on (non-changeable) reserved paths are there at all times
+                    _reservedUrls = StaticReservedUrls + urls;    
+                }
+                return _reservedUrls;
            }
+            internal set { _reservedUrls = value; }
        }

        /// <summary>
@@ -56,10 +90,25 @@ namespace Umbraco.Core.Configuration
        {
            get
            {
-                return ConfigurationManager.AppSettings.ContainsKey("umbracoReservedPaths")
-                           ? ConfigurationManager.AppSettings["umbracoReservedPaths"]
-                           : string.Empty;
+                if (_reservedPaths == null)
+                {
+                    var reservedPaths = StaticReservedPaths;
+                    //always add the umbraco path to the list
+                    if (ConfigurationManager.AppSettings.ContainsKey("umbracoPath")
+                        && !ConfigurationManager.AppSettings["umbracoPath"].IsNullOrWhiteSpace())
+                    {
+                        reservedPaths += ConfigurationManager.AppSettings["umbracoPath"].EnsureEndsWith(',');
+                    }
+
+                    var allPaths = ConfigurationManager.AppSettings.ContainsKey("umbracoReservedPaths")
+                                    ? ConfigurationManager.AppSettings["umbracoReservedPaths"]
+                                    : string.Empty;
+
+                    _reservedPaths = reservedPaths + allPaths;
+                }
+                return _reservedPaths;
            }
+            internal set { _reservedPaths = value; }
        }

        /// <summary>
@@ -114,6 +163,9 @@ namespace Umbraco.Core.Configuration
        /// This will return the MVC area that we will route all custom routes through like surface controllers, etc...
        /// We will use the 'Path' (default ~/umbraco) to create it but since it cannot contain '/' and people may specify a path of ~/asdf/asdf/admin
        /// we will convert the '/' to '-' and use that as the path. its a bit lame but will work.
+		/// 
+        /// We also make sure that the virtual directory (SystemDirectories.Root) is stripped off first, otherwise we'd end up with something
+        /// like "MyVirtualDirectory-Umbraco" instead of just "Umbraco".
        /// </remarks>
        internal static string UmbracoMvcArea
        {
@@ -123,7 +175,7 @@ namespace Umbraco.Core.Configuration
                {
                    throw new InvalidOperationException("Cannot create an MVC Area path without the umbracoPath specified");
                }
-                return Path.TrimStart('~').TrimStart('/').Replace('/', '-').Trim();
+			    return Path.TrimStart(SystemDirectories.Root).TrimStart('~').TrimStart('/').Replace('/', '-').Trim().ToLower();
            }
        }

@@ -170,7 +222,7 @@ namespace Umbraco.Core.Configuration
                {
                    if (value.ToLower().Contains("SQLCE4Umbraco.SqlCEHelper".ToLower()))
                    {
-                        ApplicationContext.Current.DatabaseContext.ConfigureDatabaseConnection();
+                        ApplicationContext.Current.DatabaseContext.ConfigureEmbeddedDatabaseConnection();
                    }
                    else
                    {
@@ -201,6 +253,7 @@ namespace Umbraco.Core.Configuration
            }
        }

+		
        /// <summary>
        /// Saves a setting into the configuration file.
        /// </summary>
@@ -531,6 +584,16 @@ namespace Umbraco.Core.Configuration
            return context.Request.Path.ToLower().IndexOf(SystemDirectories.Umbraco.ToLower() + "/liveediting.aspx") > -1;
        }

+        public static bool RequestIsInUmbracoApplication(HttpContextBase context)
+        {
+            return context.Request.Path.ToLower().IndexOf(IOHelper.ResolveUrl(SystemDirectories.Umbraco).ToLower()) > -1;
+        }
+
+        public static bool RequestIsLiveEditRedirector(HttpContextBase context)
+        {
+            return context.Request.Path.ToLower().IndexOf(SystemDirectories.Umbraco.ToLower() + "/liveediting.aspx") > -1;
+        }
+
        /// <summary>
        /// Gets a value indicating whether umbraco should force a secure (https) connection to the backoffice.
        /// </summary>
@@ -622,38 +685,42 @@ namespace Umbraco.Core.Configuration
        /// </returns>
        public static bool IsReservedPathOrUrl(string url)
        {
-            // check if GlobalSettings.ReservedPaths and GlobalSettings.ReservedUrls are unchanged
-            if (!object.ReferenceEquals(_reservedPathsCache, GlobalSettings.ReservedPaths)
-                || !object.ReferenceEquals(_reservedUrlsCache, GlobalSettings.ReservedUrls))
+            if (_reservedUrlsCache == null)
            {
-                // store references to strings to determine changes
-                _reservedPathsCache = GlobalSettings.ReservedPaths;
-                _reservedUrlsCache = GlobalSettings.ReservedUrls;
-
-                string _root = SystemDirectories.Root.Trim().ToLower();
-
-                // add URLs and paths to a new list
-                StartsWithContainer _newReservedList = new StartsWithContainer();
-                foreach (string reservedUrl in _reservedUrlsCache.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries))
+                lock (Locker)
                {
-                    //resolves the url to support tilde chars
-                    string reservedUrlTrimmed = IOHelper.ResolveUrl(reservedUrl).Trim().ToLower();
-                    if (reservedUrlTrimmed.Length > 0)
-                        _newReservedList.Add(reservedUrlTrimmed);
+                    if (_reservedUrlsCache == null)
+                    {
+                        // store references to strings to determine changes
+                        _reservedPathsCache = GlobalSettings.ReservedPaths;
+                        _reservedUrlsCache = GlobalSettings.ReservedUrls;
+
+                        string _root = SystemDirectories.Root.Trim().ToLower();
+
+                        // add URLs and paths to a new list
+                        StartsWithContainer _newReservedList = new StartsWithContainer();
+                        foreach (string reservedUrl in _reservedUrlsCache.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries))
+                        {
+                            //resolves the url to support tilde chars
+                            string reservedUrlTrimmed = IOHelper.ResolveUrl(reservedUrl).Trim().ToLower();
+                            if (reservedUrlTrimmed.Length > 0)
+                                _newReservedList.Add(reservedUrlTrimmed);
+                        }
+
+                        foreach (string reservedPath in _reservedPathsCache.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries))
+                        {
+                            bool trimEnd = !reservedPath.EndsWith("/");
+                            //resolves the url to support tilde chars
+                            string reservedPathTrimmed = IOHelper.ResolveUrl(reservedPath).Trim().ToLower();
+
+                            if (reservedPathTrimmed.Length > 0)
+                                _newReservedList.Add(reservedPathTrimmed + (reservedPathTrimmed.EndsWith("/") ? "" : "/"));
+                        }
+
+                        // use the new list from now on
+                        _reservedList = _newReservedList;
+                    }
                }
-
-                foreach (string reservedPath in _reservedPathsCache.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries))
-                {
-                    bool trimEnd = !reservedPath.EndsWith("/");
-                    //resolves the url to support tilde chars
-                    string reservedPathTrimmed = IOHelper.ResolveUrl(reservedPath).Trim().ToLower();
-
-                    if (reservedPathTrimmed.Length > 0)
-                        _newReservedList.Add(reservedPathTrimmed + (reservedPathTrimmed.EndsWith("/") ? "" : "/"));
-                }
-
-                // use the new list from now on
-                _reservedList = _newReservedList;
            }

            //The url should be cleaned up before checking:
@@ -0,0 +1,190 @@
+using System.Configuration;
+
+namespace Umbraco.Core.Configuration.InfrastructureSettings
+{
+    public class Infrastructure : ConfigurationSection
+    {
+        private const string InfrastructureSectionName = "umbraco/infrastructure";
+
+        public static Infrastructure Instance
+        {
+            get { return (Infrastructure) ConfigurationManager.GetSection(InfrastructureSectionName); }
+        }
+
+        #region RepositoriesSection Property
+
+        internal const string RepositoriesPropertyName = "repositories";
+
+        [ConfigurationProperty(RepositoriesPropertyName, IsRequired = true, IsKey = false, IsDefaultCollection = false)]
+        public Repositories Repositories
+        {
+            get { return ((Repositories)base[RepositoriesPropertyName]); }
+            set { base[RepositoriesPropertyName] = value; }
+        }
+
+        #endregion
+
+        #region PublishingStrategy Property
+
+        internal const string PublishingStrategyPropertyName = "publishingStrategy";
+
+        [ConfigurationProperty(PublishingStrategyPropertyName, IsRequired = true, IsKey = false, IsDefaultCollection = false)]
+        public PublishingProvider PublishingStrategy
+        {
+            get { return ((PublishingProvider)base[PublishingStrategyPropertyName]); }
+            set { base[PublishingStrategyPropertyName] = value; }
+        }
+
+        #endregion
+    }
+
+    public class Repositories : ConfigurationElement
+    {
+        [ConfigurationProperty("", IsDefaultCollection = true, IsRequired = true)]
+        public RepositoryElementCollection Repository
+        {
+            get { return ((RepositoryElementCollection)(base[""])); }
+        }
+    }
+
+    [ConfigurationCollection(typeof(Repository), CollectionType = ConfigurationElementCollectionType.BasicMapAlternate, AddItemName = RepositoryPropertyName)]
+    public class RepositoryElementCollection : ConfigurationElementCollection
+    {
+        internal const string RepositoryPropertyName = "repository";
+
+        public override ConfigurationElementCollectionType CollectionType
+        {
+            get
+            {
+                return ConfigurationElementCollectionType.BasicMapAlternate;
+            }
+        }
+
+        protected override string ElementName
+        {
+            get
+            {
+                return RepositoryPropertyName;
+            }
+        }
+
+        protected override bool IsElementName(string elementName)
+        {
+            return elementName == RepositoryPropertyName;
+        }
+
+        protected override object GetElementKey(ConfigurationElement element)
+        {
+            return ((Repository)element).InterfaceShortTypeName;
+        }
+
+        protected override ConfigurationElement CreateNewElement()
+        {
+            return new Repository();
+        }
+
+        #region Indexer
+
+        public Repository this[int index]
+        {
+            get { return (Repository)base.BaseGet(index); }
+        }
+
+        public Repository this[string interfaceShortTypeName]
+        {
+            get { return (Repository)base.BaseGet(interfaceShortTypeName); }
+        }
+
+        #endregion
+
+        #region Add
+
+        public void Add(Repository repository)
+        {
+            BaseAdd(repository);
+        }
+
+        #endregion
+
+        #region Remove
+
+        public void Remove(Repository repository)
+        {
+            BaseRemove(repository);
+        }
+
+        #endregion
+
+        #region GetItem
+
+        public Repository GetItemAt(int index)
+        {
+            return (Repository)BaseGet(index);
+        }
+
+        public Repository GetItemByKey(string interfaceShortTypeName)
+        {
+            return (Repository)BaseGet(interfaceShortTypeName);
+        }
+
+        #endregion
+
+        public bool ContainsKey(string interfaceShortName)
+        {
+            bool result = false;
+            object[] keys = this.BaseGetAllKeys();
+            foreach (object key in keys)
+            {
+                if ((string)key == interfaceShortName)
+                {
+                    result = true;
+                    break;
+
+                }
+            }
+            return result;
+        }
+    }
+
+    public class Repository : ConfigurationElement
+    {
+        internal const string InterfaceShortTypeNamePropertyName = "interfaceShortTypeName";
+
+        [ConfigurationPropertyAttribute(InterfaceShortTypeNamePropertyName, IsRequired = true, IsKey = true, IsDefaultCollection = false)]
+        public string InterfaceShortTypeName
+        {
+            get { return (string) base[InterfaceShortTypeNamePropertyName]; }
+            set { base[InterfaceShortTypeNamePropertyName] = value; }
+        }
+
+        internal const string RepositoryFullTypeNamePropertyName = "repositoryFullTypeName";
+
+        [ConfigurationPropertyAttribute(RepositoryFullTypeNamePropertyName, IsRequired = true, IsKey = false, IsDefaultCollection = false)]
+        public string RepositoryFullTypeName
+        {
+            get { return (string)base[RepositoryFullTypeNamePropertyName]; }
+            set { base[RepositoryFullTypeNamePropertyName] = value; }
+        }
+
+        internal const string CacheProviderFullTypeNamePropertyName = "cacheProviderFullTypeName";
+
+        [ConfigurationPropertyAttribute(CacheProviderFullTypeNamePropertyName, IsRequired = true, IsKey = false, IsDefaultCollection = false)]
+        public string CacheProviderFullTypeName
+        {
+            get { return (string)base[CacheProviderFullTypeNamePropertyName]; }
+            set { base[CacheProviderFullTypeNamePropertyName] = value; }
+        }
+    }
+
+    public class PublishingProvider : ConfigurationElement
+    {
+        internal const string TypePropertyName = "type";
+
+        [ConfigurationPropertyAttribute(TypePropertyName, IsRequired = true, IsKey = false, IsDefaultCollection = false)]
+        public string Type
+        {
+            get { return (string)base[TypePropertyName]; }
+            set { base[TypePropertyName] = value; }
+        }
+    }
+}
@@ -0,0 +1,33 @@
+using System.Configuration;
+
+namespace Umbraco.Core.Configuration
+{
+    // note - still must work on how to support read-only and ResetSection for collections
+    // note - still must work on how to spread config over files (aka DeepConfig in v5)
+
+    /// <summary>
+    /// Represents an Umbraco section within the configuration file.
+    /// </summary>
+    /// <remarks>
+    /// <para>The requirement for these sections is to be read-only.</para>
+    /// <para>However for unit tests purposes it is internally possible to override some values, and
+    /// then calling <c>>ResetSection</c> should cancel these changes and bring the section back to
+    /// what it was originally.</para>
+    /// <para>The <c>UmbracoSettings.For{T}</c> method will return a section, either one that
+    /// is in the configuration file, or a section that was created with default values.</para>
+    /// </remarks>
+    internal abstract class UmbracoConfigurationSection : ConfigurationSection
+    {
+        /// <summary>
+        /// Gets a value indicating whether the section actually is in the configuration file.
+        /// </summary>
+        protected bool IsPresent { get { return ElementInformation.IsPresent; } }
+
+        /// <summary>
+        /// Resets settings that were set programmatically, to their initial values.
+        /// </summary>
+        /// <remarks>>To be used in unit tests.</remarks>
+        internal protected virtual void ResetSection()
+        { }
+    }
+}
@@ -6,9 +6,11 @@ using System.Threading;
 using System.Web;
 using System.Web.Caching;
 using System.Xml;
+using System.Configuration;

 using System.Collections.Generic;
 using Umbraco.Core.Logging;
+using Umbraco.Core.CodeAnnotations;


 namespace Umbraco.Core.Configuration
@@ -20,22 +22,48 @@ namespace Umbraco.Core.Configuration

 	//TODO: Re-enable logging !!!!

+    //TODO: We need to convert this to a real section, it's currently using HttpRuntime.Cache to detect cahnges, this is real poor, especially in a console app
+
 	/// <summary>
 	/// The UmbracoSettings Class contains general settings information for the entire Umbraco instance based on information from the /config/umbracoSettings.config file
 	/// </summary>
 	internal class UmbracoSettings
 	{
-		/// <summary>
+        private static bool GetKeyValue(string key, bool defaultValue)
+        {
+            bool value;
+            string stringValue = GetKey(key);
+
+            if (string.IsNullOrWhiteSpace(stringValue))
+                return defaultValue;
+            if (bool.TryParse(stringValue, out value))
+                return value;
+            return defaultValue;
+        }
+
+        private static int GetKeyValue(string key, int defaultValue)
+        {
+            int value;
+            string stringValue = GetKey(key);
+
+            if (string.IsNullOrWhiteSpace(stringValue))
+                return defaultValue;
+            if (int.TryParse(stringValue, out value))
+                return value;
+            return defaultValue;
+        }
+
+        /// <summary>
 		/// Used in unit testing to reset all config items that were set with property setters (i.e. did not come from config)
 		/// </summary>
-		internal static void ResetSetters()
+		private static void ResetInternal()
 		{
 			_addTrailingSlash = null;			
 			_forceSafeAliases = null;
 			_useLegacySchema = null;
 			_useDomainPrefixes = null;
 			_umbracoLibraryCacheDuration = null;
-		    SettingsFilePath = null;
+            SettingsFilePath = null;
 		}

 		internal const string TempFriendlyXmlChildContainerNodename = ""; // "children";
@@ -126,11 +154,32 @@ namespace Umbraco.Core.Configuration
 		{
 			EnsureSettingsDocument();

+            string attrName = null;
+            var pos = key.IndexOf('@');
+            if (pos > 0)
+            {
+                attrName = key.Substring(pos + 1);
+                key = key.Substring(0, pos - 1);
+            }
+
 			var node = UmbracoSettingsXmlDoc.DocumentElement.SelectSingleNode(key);
-			if (node == null || node.FirstChild == null || node.FirstChild.Value == null)
-				return string.Empty;
-			return node.FirstChild.Value;
-		}
+            if (node == null)
+                return string.Empty;
+
+            if (pos < 0)
+            {
+                if (node.FirstChild == null || node.FirstChild.Value == null)
+                    return string.Empty;
+                return node.FirstChild.Value;
+            }
+            else
+            {
+                var attr = node.Attributes[attrName];
+                if (attr == null)
+                    return string.Empty;
+                return attr.Value;
+            }
+        }

 		/// <summary>
 		/// Gets a value indicating whether the media library will create new directories in the /media directory.
@@ -203,6 +252,7 @@ namespace Umbraco.Core.Configuration
 				return value != null ? value.Attributes["assembly"].Value : "";
 			}
 		}
+
 		/// <summary>
 		/// Gets the type of an external logger that can be used to store log items in 3rd party systems
 		/// </summary>
@@ -351,24 +401,13 @@ namespace Umbraco.Core.Configuration
 		{
 			get
 			{
-				try
-				{
-					if (_useDomainPrefixes.HasValue)
-						return _useDomainPrefixes.Value;
-					bool result;
-					if (bool.TryParse(GetKey("/settings/requestHandler/useDomainPrefixes"), out result))
-						return result;
-					return false;
-				}
-				catch
-				{
-					return false;
-				}
+                // default: false
+                return _useDomainPrefixes ?? GetKeyValue("/settings/requestHandler/useDomainPrefixes", false);
 			}
-			// for unit tests only
 			internal set
 			{
-				_useDomainPrefixes = value;
+                // for unit tests only
+                _useDomainPrefixes = value;
 			}
 		}

@@ -382,31 +421,14 @@ namespace Umbraco.Core.Configuration
 		{
 			get
 			{
-				try
-				{
-					if (GlobalSettings.UseDirectoryUrls)
-					{
-						if (_addTrailingSlash.HasValue)
-							return _addTrailingSlash.Value;
-						bool result;
-						if (bool.TryParse(GetKey("/settings/requestHandler/addTrailingSlash"), out result))
-							return result;
-						return false;
-					}
-					else
-					{
-						return false;
-					}
-				}
-				catch
-				{
-					return false;
-				}
+                // default: false
+                return GlobalSettings.UseDirectoryUrls
+                    && (_addTrailingSlash ?? GetKeyValue("/settings/requestHandler/addTrailingSlash", false));
 			}
-			// for unit tests only
 			internal set
 			{
-				_addTrailingSlash = value;
+                // for unit tests only
+                _addTrailingSlash = value;
 			}
 		}

@@ -484,7 +506,7 @@ namespace Umbraco.Core.Configuration
 		private static IEnumerable<RazorDataTypeModelStaticMappingItem> _razorDataTypeModelStaticMapping;
 		private static readonly ReaderWriterLockSlim Lock = new ReaderWriterLockSlim();

-		public static IEnumerable<RazorDataTypeModelStaticMappingItem> RazorDataTypeModelStaticMapping
+		internal static IEnumerable<RazorDataTypeModelStaticMappingItem> RazorDataTypeModelStaticMapping
 		{
 			get
 			{
@@ -623,31 +645,33 @@ namespace Umbraco.Core.Configuration
 		{
 			get
 			{
-				if (_forceSafeAliases.HasValue)
-					return _forceSafeAliases.Value;
-
-				string forceSafeAlias = GetKey("/settings/content/ForceSafeAliases");
-				if (String.IsNullOrEmpty(forceSafeAlias))
-					return true;
-				else
-				{
-					try
-					{
-						return bool.Parse(forceSafeAlias);
-					}
-					catch
-					{
-						return true;
-					}
-				}
+                // default: true
+                return _forceSafeAliases ?? GetKeyValue("/settings/content/ForceSafeAliases", true);
 			}
 			internal set
 			{
-				//used for unit  testing
+				// used for unit  testing
 				_forceSafeAliases = value;
 			}
 		}

+        /// <summary>
+        /// Gets a value indicating whether to try to skip IIS custom errors.
+        /// </summary>
+        [UmbracoWillObsolete("Use UmbracoSettings.For<WebRouting>.TrySkipIisCustomErrors instead.")]
+        internal static bool TrySkipIisCustomErrors
+        {
+            get { return GetKeyValue("/settings/web.routing/@trySkipIisCustomErrors", false); }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether internal redirect preserves the template.
+        /// </summary>
+        [UmbracoWillObsolete("Use UmbracoSettings.For<WebRouting>.InternalRedirectPerservesTemplate instead.")]
+        internal static bool InternalRedirectPreservesTemplate
+	    {
+            get { return GetKeyValue("/settings/web.routing/@internalRedirectPreservesTemplate", false); }
+        }

 		/// <summary>
 		/// Gets the allowed image file types.
@@ -677,26 +701,14 @@ namespace Umbraco.Core.Configuration
 		{
 			get
 			{
-				if (_umbracoLibraryCacheDuration.HasValue)
-					return _umbracoLibraryCacheDuration.Value;
-				
-				string libraryCacheDuration = GetKey("/settings/content/UmbracoLibraryCacheDuration");
-				if (String.IsNullOrEmpty(libraryCacheDuration))
-					return 1800;
-				else
-				{
-					try
-					{
-						return int.Parse(libraryCacheDuration);
-					}
-					catch
-					{
-						return 1800;
-					}
-				}
-
+                // default: 1800
+                return _umbracoLibraryCacheDuration ?? GetKeyValue("/settings/content/UmbracoLibraryCacheDuration", 1800);
 			}
-			internal set { _umbracoLibraryCacheDuration = value; }
+			internal set
+            {
+                // for unit tests only
+                _umbracoLibraryCacheDuration = value;
+            }
 		}

 		/// <summary>
@@ -1052,27 +1064,12 @@ namespace Umbraco.Core.Configuration
 		{
 			get
 			{
-				try
-				{
-					if (_useLegacySchema.HasValue)
-						return _useLegacySchema.Value;
-
-					string value = GetKey("/settings/content/UseLegacyXmlSchema");
-					bool result;
-					if (!string.IsNullOrEmpty(value) && bool.TryParse(value, out result))
-						return result;
-					return true;
-				}
-				catch (Exception)
-				{
-					//default. TODO: When we change this to a real config section we won't have to worry about parse errors
-					// and should handle defaults with unit tests properly.
-					return false;
-				}
+                // default: true
+                return _useLegacySchema ?? GetKeyValue("/settings/content/UseLegacyXmlSchema", false);
 			}
 			internal set
 			{
-				//used for unit  testing
+				// used for unit testing
 				_useLegacySchema = value;
 			}
 		}
@@ -1219,8 +1216,83 @@ namespace Umbraco.Core.Configuration
 				}
 				return _defaultRenderingEngine.Value;
 			}
+            //internal set
+            //{
+            //    _defaultRenderingEngine = value;
+            //    var node = UmbracoSettingsXmlDoc.DocumentElement.SelectSingleNode("/settings/templates/defaultRenderingEngine");
+            //    node.InnerText = value.ToString();
+            //}
 		}

+		private static MacroErrorBehaviour? _macroErrorBehaviour;
+
+		/// <summary>
+		/// This configuration setting defines how to handle macro errors:
+		/// - Inline - Show error within macro as text (default and current Umbraco 'normal' behavior)
+		/// - Silent - Suppress error and hide macro
+		/// - Throw  - Throw an exception and invoke the global error handler (if one is defined, if not you'll get a YSOD)
+		/// </summary>
+		/// <value>MacroErrorBehaviour enum defining how to handle macro errors.</value>
+		public static MacroErrorBehaviour MacroErrorBehaviour
+		{
+			get
+			{
+				if (_macroErrorBehaviour == null)
+				{
+					try
+					{
+						var behaviour = MacroErrorBehaviour.Inline;
+						var value = GetKey("/settings/content/MacroErrors");
+						if (value != null)
+						{
+							Enum<MacroErrorBehaviour>.TryParse(value, true, out behaviour);
+						}
+						_macroErrorBehaviour = behaviour;
+					}
+					catch (Exception ex)
+					{
+						LogHelper.Error<UmbracoSettings>("Could not load /settings/content/MacroErrors from umbracosettings.config", ex);
+						_macroErrorBehaviour = MacroErrorBehaviour.Inline;
+					}
+				}
+				return _macroErrorBehaviour.Value;
+			}
+		}
+		
+		private static IconPickerBehaviour? _iconPickerBehaviour;
+
+        /// <summary>
+        /// This configuration setting defines how to show icons in the document type editor. 
+        /// - ShowDuplicates       - Show duplicates in files and sprites. (default and current Umbraco 'normal' behaviour)
+        /// - HideSpriteDuplicates - Show files on disk and hide duplicates from the sprite
+        /// - HideFileDuplicates   - Show files in the sprite and hide duplicates on disk
+        /// </summary>
+        /// <value>MacroErrorBehaviour enum defining how to show icons in the document type editor.</value>
+        public static IconPickerBehaviour IconPickerBehaviour
+		{
+			get
+			{
+				if (_iconPickerBehaviour == null)
+				{
+					try
+					{
+						var behaviour = IconPickerBehaviour.ShowDuplicates;
+                        var value = GetKey("/settings/content/DocumentTypeIconList");
+						if (value != null)
+						{
+                            Enum<IconPickerBehaviour>.TryParse(value, true, out behaviour);
+						}
+                        _iconPickerBehaviour = behaviour;
+					}
+					catch (Exception ex)
+					{
+                        LogHelper.Error<UmbracoSettings>("Could not load /settings/content/DocumentTypeIconList from umbracosettings.config", ex);
+                        _iconPickerBehaviour = IconPickerBehaviour.ShowDuplicates;
+					}
+				}
+                return _iconPickerBehaviour.Value;
+			}
+		}

 		/// <summary>
 		/// Configuration regarding webservices
@@ -1405,6 +1477,80 @@ namespace Umbraco.Core.Configuration
 			}

 			#endregion
-		}
-	}
+        }
+
+        #region Extensible settings
+
+        /// <summary>
+        /// Resets settings that were set programmatically, to their initial values.
+        /// </summary>
+        /// <remarks>To be used in unit tests.</remarks>
+        internal static void Reset()
+        {
+            ResetInternal();
+
+            using (new WriteLock(SectionsLock))
+            {
+                foreach (var section in Sections.Values)
+                    section.ResetSection();
+            }
+        }
+
+        private static readonly ReaderWriterLockSlim SectionsLock = new ReaderWriterLockSlim();
+        private static readonly Dictionary<Type, UmbracoConfigurationSection> Sections = new Dictionary<Type, UmbracoConfigurationSection>();
+
+        /// <summary>
+        /// Gets the specified UmbracoConfigurationSection.
+        /// </summary>
+        /// <typeparam name="T">The type of the UmbracoConfigurationSectiont.</typeparam>
+        /// <returns>The UmbracoConfigurationSection of the specified type.</returns>
+        internal static T For<T>()
+            where T : UmbracoConfigurationSection, new()
+        {
+            var sectionType = typeof (T);
+            using (new WriteLock(SectionsLock))
+            {
+                if (Sections.ContainsKey(sectionType)) return Sections[sectionType] as T;
+
+                var attr = sectionType.GetCustomAttribute<ConfigurationKeyAttribute>(false);
+                if (attr == null)
+                    throw new InvalidOperationException(string.Format("Type \"{0}\" is missing attribute ConfigurationKeyAttribute.", sectionType.FullName));
+
+                var sectionKey = attr.ConfigurationKey;
+                if (string.IsNullOrWhiteSpace(sectionKey))
+                    throw new InvalidOperationException(string.Format("Type \"{0}\" ConfigurationKeyAttribute value is null or empty.", sectionType.FullName));
+
+                var section = GetSection(sectionType, sectionKey);
+
+                Sections[sectionType] = section;
+                return section as T;
+            }
+        }
+
+        private static UmbracoConfigurationSection GetSection(Type sectionType, string key)
+        {
+            if (!sectionType.Inherits<UmbracoConfigurationSection>())
+                 throw new ArgumentException(string.Format(
+                    "Type \"{0}\" does not inherit from UmbracoConfigurationSection.", sectionType.FullName), "sectionType");
+
+            var section = ConfigurationManager.GetSection(key);
+
+            if (section != null && section.GetType() != sectionType)
+                throw new InvalidCastException(string.Format("Section at key \"{0}\" is of type \"{1}\" and not \"{2}\".",
+                    key, section.GetType().FullName, sectionType.FullName));
+
+            if (section != null) return section as UmbracoConfigurationSection;
+
+            section = Activator.CreateInstance(sectionType) as UmbracoConfigurationSection;
+
+            if (section == null)
+                throw new NullReferenceException(string.Format(
+                    "Activator failed to create an instance of type \"{0}\" for key\"{1}\" and returned null.",
+                    sectionType.FullName, key));
+
+            return section as UmbracoConfigurationSection;
+        }
+
+        #endregion
+    }
 }
@@ -5,7 +5,7 @@ namespace Umbraco.Core.Configuration
 {
    public class UmbracoVersion
    {
-        private static readonly Version Version = new Version("6.0.0");
+        private static readonly Version Version = new Version("6.1.0");

        /// <summary>
        /// Gets the current version of Umbraco.
@@ -23,7 +23,7 @@ namespace Umbraco.Core.Configuration
        /// Gets the version comment (like beta or RC).
        /// </summary>
        /// <value>The version comment.</value>
-        public static string CurrentComment { get { return "RC"; } }
+        public static string CurrentComment { get { return "beta"; } }

        // Get the version of the umbraco.dll by looking at a class in that dll
        // Had to do it like this due to medium trust issues, see: http://haacked.com/archive/2010/11/04/assembly-location-and-medium-trust.aspx
@@ -0,0 +1,46 @@
+namespace Umbraco.Core
+{
+	public static partial class Constants
+	{
+		/// <summary>
+		/// Defines the alias identifiers for Umbraco's core application sections.
+		/// </summary>
+		public static class Applications
+		{
+			/// <summary>
+			/// Application alias for the content section.
+			/// </summary>
+			public const string Content = "content";
+
+			/// <summary>
+			/// Application alias for the developer section.
+			/// </summary>
+			public const string Developer = "developer";
+
+			/// <summary>
+			/// Application alias for the media section.
+			/// </summary>
+			public const string Media = "media";
+
+			/// <summary>
+			/// Application alias for the members section.
+			/// </summary>
+			public const string Members = "member";
+
+			/// <summary>
+			/// Application alias for the settings section.
+			/// </summary>
+			public const string Settings = "settings";
+
+			/// <summary>
+			/// Application alias for the translation section.
+			/// </summary>
+			public const string Translation = "translation";
+
+			/// <summary>
+			/// Application alias for the users section.
+			/// </summary>
+			public const string Users = "users";
+		}
+	}
+}
@@ -0,0 +1,105 @@
+namespace Umbraco.Core
+{
+	public static partial class Constants
+	{
+		/// <summary>
+		/// Defines the identifiers for property-type alias conventions that are used within the Umbraco core.
+		/// </summary>
+		public static class Conventions
+		{
+			/// <summary>
+			/// Constants for Umbraco Content property aliases.
+			/// </summary>
+			public static class Content
+			{
+				/// <summary>
+				/// Property alias for the Content's Url (internal) redirect.
+				/// </summary>
+				public const string InternalRedirectId = "umbracoInternalRedirectId";
+
+				/// <summary>
+				/// Property alias for the Content's navigational hide, (not actually used in core code).
+				/// </summary>
+				public const string NaviHide = "umbracoNaviHide";
+
+				/// <summary>
+				/// Property alias for the Content's Url redirect.
+				/// </summary>
+				public const string Redirect = "umbracoRedirect";
+
+				/// <summary>
+				/// Property alias for the Content's Url alias.
+				/// </summary>
+				public const string UrlAlias = "umbracoUrlAlias";
+
+				/// <summary>
+				/// Property alias for the Content's Url name.
+				/// </summary>
+				public const string UrlName = "umbracoUrlName";
+			}
+
+			/// <summary>
+			/// Constants for Umbraco Media property aliases.
+			/// </summary>
+			public static class Media
+			{
+				/// <summary>
+				/// Property alias for the Media's file name.
+				/// </summary>
+				public const string File = "umbracoFile";
+
+				/// <summary>
+				/// Property alias for the Media's width.
+				/// </summary>
+				public const string Width = "umbracoWidth";
+
+				/// <summary>
+				/// Property alias for the Media's height.
+				/// </summary>
+				public const string Height = "umbracoHeight";
+
+				/// <summary>
+				/// Property alias for the Media's file size (in bytes).
+				/// </summary>
+				public const string Bytes = "umbracoBytes";
+
+				/// <summary>
+				/// Property alias for the Media's file extension.
+				/// </summary>
+				public const string Extension = "umbracoExtension";
+			}
+
+			/// <summary>
+			/// Defines the alias identifiers for Umbraco media types.
+			/// </summary>
+			public static class MediaTypes
+			{
+				/// <summary>
+				/// MediaType alias for a file.
+				/// </summary>
+				public const string File = "File";
+
+				/// <summary>
+				/// MediaType alias for a folder.
+				/// </summary>
+				public const string Folder = "Folder";
+
+				/// <summary>
+				/// MediaType alias for an image.
+				/// </summary>
+				public const string Image = "Image";
+			}
+
+			/// <summary>
+			/// Constants for Umbraco URLs/Querystrings.
+			/// </summary>
+			public static class Url
+			{
+				/// <summary>
+				/// Querystring parameter name used for Umbraco's alternative template functionality.
+				/// </summary>
+				public const string AltTemplate = "altTemplate";
+			}
+		}
+	}
+}
@@ -0,0 +1,86 @@
+namespace Umbraco.Core
+{
+	public static partial class Constants
+	{
+		/// <summary>
+		/// Defines the identifiers for Umbraco object types as constants for easy centralized access/management.
+		/// </summary>
+		public static class ObjectTypes
+		{
+			/// <summary>
+			/// Guid for a Content Item object.
+			/// </summary>
+			public const string ContentItem = "10E2B09F-C28B-476D-B77A-AA686435E44A";
+
+			/// <summary>
+			/// Guid for a Content Item Type object.
+			/// </summary>
+			public const string ContentItemType = "7A333C54-6F43-40A4-86A2-18688DC7E532";
+
+			/// <summary>
+			/// Guid for the Content Recycle Bin.
+			/// </summary>
+			public const string ContentRecycleBin = "01BB7FF2-24DC-4C0C-95A2-C24EF72BBAC8";
+
+			/// <summary>
+			/// Guid for a DataType object.
+			/// </summary>
+			public const string DataType = "30A2A501-1978-4DDB-A57B-F7EFED43BA3C";
+
+			/// <summary>
+			/// Guid for a Document object.
+			/// </summary>
+			public const string Document = "C66BA18E-EAF3-4CFF-8A22-41B16D66A972";
+
+			/// <summary>
+			/// Guid for a Document Type object.
+			/// </summary>
+			public const string DocumentType = "A2CB7800-F571-4787-9638-BC48539A0EFB";
+
+			/// <summary>
+			/// Guid for a Media object.
+			/// </summary>
+			public const string Media = "B796F64C-1F99-4FFB-B886-4BF4BC011A9C";
+
+			/// <summary>
+			/// Guid for the Media Recycle Bin.
+			/// </summary>
+			public const string MediaRecycleBin = "CF3D8E34-1C1C-41e9-AE56-878B57B32113";
+
+			/// <summary>
+			/// Guid for a Media Type object.
+			/// </summary>
+			public const string MediaType = "4EA4382B-2F5A-4C2B-9587-AE9B3CF3602E";
+
+			/// <summary>
+			/// Guid for a Member object.
+			/// </summary>
+			public const string Member = "39EB0F98-B348-42A1-8662-E7EB18487560";
+
+			/// <summary>
+			/// Guid for a Member Group object.
+			/// </summary>
+			public const string MemberGroup = "366E63B9-880F-4E13-A61C-98069B029728";
+
+			/// <summary>
+			/// Guid for a Member Type object.
+			/// </summary>
+			public const string MemberType = "9B5416FB-E72F-45A9-A07B-5A9A2709CE43";
+
+			/// <summary>
+			/// Guid for a Stylesheet object.
+			/// </summary>
+			public const string Stylesheet = "9F68DA4F-A3A8-44C2-8226-DCBD125E4840";
+
+			/// <summary>
+			/// Guid for the System Root.
+			/// </summary>
+			public const string SystemRoot = "EA7D8624-4CFE-4578-A871-24AA946BF34D";
+
+			/// <summary>
+			/// Guid for a Template object.
+			/// </summary>
+			public const string Template = "6FBDE604-4178-42CE-A10B-8A2600A2F07D";
+		}
+	}
+}
@@ -0,0 +1,186 @@
+namespace Umbraco.Core
+{
+	public static partial class Constants
+	{
+		/// <summary>
+		/// Defines the identifiers for Umbraco Property Editors as constants for easy centralized access/management.
+		/// </summary>
+		public static class PropertyEditors
+		{
+			/// <summary>
+			/// Guid for the Checkbox list datatype.
+			/// </summary>
+			public const string CheckBoxList = "B4471851-82B6-4C75-AFA4-39FA9C6A75E9";
+
+			/// <summary>
+			/// Guid for the Color Picker datatype.
+			/// </summary>
+			public const string ColorPicker = "F8D60F68-EC59-4974-B43B-C46EB5677985";
+
+			/// <summary>
+			/// Guid for the Content Picker datatype.
+			/// </summary>
+			public const string ContentPicker = "158AA029-24ED-4948-939E-C3DA209E5FBA";
+
+			/// <summary>
+			/// Guid for the Date datatype.
+			/// </summary>
+			public const string Date = "23E93522-3200-44E2-9F29-E61A6FCBB79A";
+
+			/// <summary>
+			/// Guid for the Date/Time datatype.
+			/// </summary>
+			public const string DateTime = "B6FB1622-AFA5-4BBF-A3CC-D9672A442222";
+
+			/// <summary>
+			/// Guid for the Dictionary Picker datatype.
+			/// </summary>
+			public const string DictionaryPicker = "17B70066-F764-407D-AB05-3717F1E1C513";
+
+			/// <summary>
+			/// Guid for the Dropdown list datatype.
+			/// </summary>
+			public const string DropDownList = "A74EA9C9-8E18-4D2A-8CF6-73C6206C5DA6";
+
+			/// <summary>
+			/// Guid for the Dropdown list multiple datatype.
+			/// </summary>
+			public const string DropDownListMultiple = "928639ED-9C73-4028-920C-1E55DBB68783";
+
+			/// <summary>
+			/// Guid for the Dropdown list multiple, publish keys datatype.
+			/// </summary>
+			public const string DropdownlistMultiplePublishKeys = "928639AA-9C73-4028-920C-1E55DBB68783";
+
+			/// <summary>
+			/// Guid for the Dropdown list, publishing keys datatype.
+			/// </summary>
+			public const string DropdownlistPublishingKeys = "A74EA9E1-8E18-4D2A-8CF6-73C6206C5DA6";
+
+			/// <summary>
+			/// Guid for the Folder browser datatype.
+			/// </summary>
+			public const string FolderBrowser = "CCCD4AE9-F399-4ED2-8038-2E88D19E810C";
+
+			/// <summary>
+			/// Guid for the Image Cropper datatype.
+			/// </summary>
+			public const string ImageCropper = "7A2D436C-34C2-410F-898F-4A23B3D79F54";
+
+			/// <summary>
+			/// Guid for the Integer datatype.
+			/// </summary>
+			public const string Integer = "1413AFCB-D19A-4173-8E9A-68288D2A73B8";
+
+			/// <summary>
+			/// Guid for the Macro Container datatype.
+			/// </summary>
+			public const string MacroContainer = "474FCFF8-9D2D-11DE-ABC6-AD7A56D89593";
+
+			/// <summary>
+			/// Guid for the Media Picker datatype.
+			/// </summary>
+			public const string MediaPicker = "EAD69342-F06D-4253-83AC-28000225583B";
+
+			/// <summary>
+			/// Guid for the Member Picker datatype.
+			/// </summary>
+			public const string MemberPicker = "39F533E4-0551-4505-A64B-E0425C5CE775";
+
+			/// <summary>
+			/// Guid for the Multi-Node Tree Picker datatype
+			/// </summary>
+			public const string MultiNodeTreePicker = "7E062C13-7C41-4AD9-B389-41D88AEEF87C";
+
+			/// <summary>
+			/// Guid for the Multiple Textstring datatype.
+			/// </summary>
+			public const string MultipleTextstring = "5359AD0B-06CC-4182-92BD-0A9117448D3F";
+
+			/// <summary>
+			/// Guid for the No edit datatype.
+			/// </summary>
+			public const string NoEdit = "6C738306-4C17-4D88-B9BD-6546F3771597";
+
+			/// <summary>
+			/// Guid for the Picker Relations datatype.
+			/// </summary>
+			public const string PickerRelations = "83396FF2-2E39-4A90-9066-17F5F3989374";
+
+			/// <summary>
+			/// Guid for the Radiobutton list datatype.
+			/// </summary>
+			public const string RadioButtonList = "A52C7C1C-C330-476E-8605-D63D3B84B6A6";
+
+			/// <summary>
+			/// Guid for the Related Links datatype.
+			/// </summary>
+			public const string RelatedLinks = "71B8AD1A-8DC2-425C-B6B8-FAA158075E63";
+
+			/// <summary>
+			/// Guid for the Slider datatype.
+			/// </summary>
+			public const string Slider = "29E790E6-26B3-438A-B21F-908663A0B19E";
+
+			/// <summary>
+			/// Guid for the Tags datatype.
+			/// </summary>
+			public const string Tags = "4023E540-92F5-11DD-AD8B-0800200C9A66";
+
+			/// <summary>
+			/// Guid for the Textbox datatype.
+			/// </summary>
+			public const string Textbox = "EC15C1E5-9D90-422A-AA52-4F7622C63BEA";
+
+			/// <summary>
+			/// Guid for the Textbox multiple datatype.
+			/// </summary>
+			public const string TextboxMultiple = "67DB8357-EF57-493E-91AC-936D305E0F2A";
+
+			/// <summary>
+			/// Guid for the TinyMCE v3 wysiwyg datatype.
+			/// </summary>
+			public const string TinyMCEv3 = "5E9B75AE-FACE-41C8-B47E-5F4B0FD82F83";
+
+			/// <summary>
+			/// Guid for the TinyMCE wysiwyg (deprecated, upgrade to tinymce v3!) datatype.
+			/// </summary>
+			public const string TinyMCE = "83722133-F80C-4273-BDB6-1BEFAA04A612";
+
+			/// <summary>
+			/// Guid for the True/False (Ja/Nej) datatype.
+			/// </summary>
+			public const string TrueFalse = "38B352C1-E9F8-4FD8-9324-9A2EAB06D97A";
+
+			/// <summary>
+			/// Guid for the Ultimate Picker datatype.
+			/// </summary>
+			public const string UltimatePicker = "CDBF0B5D-5CB2-445F-BC12-FCAAEC07CF2C";
+
+			/// <summary>
+			/// Guid for the UltraSimpleEditor datatype.
+			/// </summary>
+			public const string UltraSimpleEditor = "60B7DABF-99CD-41EB-B8E9-4D2E669BBDE9";
+
+			/// <summary>
+			/// Guid for the Umbraco Usercontrol Wrapper datatype.
+			/// </summary>
+			public const string UmbracoUserControlWrapper = "D15E1281-E456-4B24-AA86-1DDA3E4299D5";
+
+			/// <summary>
+			/// Guid for the Upload field datatype.
+			/// </summary>
+			public const string UploadField = "5032A6E6-69E3-491D-BB28-CD31CD11086C";
+
+			/// <summary>
+			/// Guid for the XPath CheckBoxList datatype.
+			/// </summary>
+			public const string XPathCheckBoxList = "34451D92-D270-49BA-8C7F-EE55BFEEE1CB";
+
+			/// <summary>
+			/// Guid for the XPath DropDownList datatype.
+			/// </summary>
+			public const string XPathDropDownList = "173A96AE-00ED-4A7C-9F76-4B53D4A0A1B9";
+		}
+	}
+}
@@ -0,0 +1,26 @@
+namespace Umbraco.Core
+{
+	public static partial class Constants
+	{
+		/// <summary>
+		/// Defines the identifiers for Umbraco system nodes.
+		/// </summary>
+		public static class System
+		{
+			/// <summary>
+			/// The integer identifier for global system root node.
+			/// </summary>
+			public const int Root = -1;
+
+			/// <summary>
+			/// The integer identifier for content's recycle bin.
+			/// </summary>
+			public const int RecycleBinContent = -20;
+
+			/// <summary>
+			/// The integer identifier for media's recycle bin.
+			/// </summary>
+			public const int RecycleBinMedia = -21;
+		}
+	}
+}
@@ -0,0 +1,10 @@
+namespace Umbraco.Core
+{
+	/// <summary>
+	/// Constants all the identifiers within the Umbraco core.
+	/// </summary>
+	public static partial class Constants
+	{
+		// generic constants can go here
+	}
+}
@@ -1,7 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using Umbraco.Core.Configuration;
 using Umbraco.Core.Logging;
 using Umbraco.Core.ObjectResolution;
@@ -9,10 +7,15 @@ using Umbraco.Core.Persistence;
 using Umbraco.Core.Persistence.Mappers;
 using Umbraco.Core.Persistence.Migrations;
 using Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSix;
+using Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSixZeroOne;
+using Umbraco.Core.Persistence.SqlSyntax;
 using Umbraco.Core.Persistence.UnitOfWork;
 using Umbraco.Core.PropertyEditors;
 using Umbraco.Core.Publishing;
+using Umbraco.Core.Macros;
 using Umbraco.Core.Services;
+using Umbraco.Core.Sync;
+using Umbraco.Core.Strings;
 using MigrationsVersionFourNineZero = Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionFourNineZero;

 namespace Umbraco.Core
@@ -30,10 +33,21 @@ namespace Umbraco.Core
 		private bool _isInitialized = false;
 		private bool _isStarted = false;
 		private bool _isComplete = false;
-
+        private readonly UmbracoApplicationBase _umbracoApplication;
 		protected ApplicationContext ApplicationContext { get; private set; }

-		public virtual IBootManager Initialize()
+	    protected UmbracoApplicationBase UmbracoApplication
+	    {
+	        get { return _umbracoApplication; }
+	    }
+
+	    public CoreBootManager(UmbracoApplicationBase umbracoApplication)
+        {            
+            if (umbracoApplication == null) throw new ArgumentNullException("umbracoApplication");
+            _umbracoApplication = umbracoApplication;
+        }
+
+	    public virtual IBootManager Initialize()
 		{
 			if (_isInitialized)
 				throw new InvalidOperationException("The boot manager has already been initialized");
@@ -49,22 +63,59 @@ namespace Umbraco.Core
 				new PetaPocoUnitOfWorkProvider(dbFactory), 
 				new FileUnitOfWorkProvider(), 
 				new PublishingStrategy());
-			
-			//create the ApplicationContext
-			ApplicationContext = ApplicationContext.Current = new ApplicationContext(dbContext, serviceContext);

-            //initialize the DatabaseContext
-			dbContext.Initialize();
+            CreateApplicationContext(dbContext, serviceContext);
+
+            InitializeApplicationEventsResolver();

 			InitializeResolvers();

+            //initialize the DatabaseContext
+            dbContext.Initialize();
+
+            //now we need to call the initialize methods
+            ApplicationEventsResolver.Current.ApplicationEventHandlers
+                .ForEach(x => x.OnApplicationInitialized(UmbracoApplication, ApplicationContext));
+
 			_isInitialized = true;

 			return this;
 		}

+        /// <summary>
+        /// Creates and assigns the application context singleton
+        /// </summary>
+        /// <param name="dbContext"></param>
+        /// <param name="serviceContext"></param>
+        protected virtual void CreateApplicationContext(DatabaseContext dbContext, ServiceContext serviceContext)
+        {
+            //create the ApplicationContext
+            ApplicationContext = ApplicationContext.Current = new ApplicationContext(dbContext, serviceContext);
+        }
+
+        /// <summary>
+        /// Special method to initialize the ApplicationEventsResolver and any modifications required for it such 
+        /// as adding custom types to the resolver.
+        /// </summary>
+        protected virtual void InitializeApplicationEventsResolver()
+        {
+            //find and initialize the application startup handlers, we need to initialize this resolver here because
+            //it is a special resolver where they need to be instantiated first before any other resolvers in order to bind to 
+            //events and to call their events during bootup.
+            //ApplicationStartupHandler.RegisterHandlers();
+            //... and set the special flag to let us resolve before frozen resolution
+            ApplicationEventsResolver.Current = new ApplicationEventsResolver(
+                PluginManager.Current.ResolveApplicationStartupHandlers())
+            {
+                CanResolveBeforeFrozen = true
+            };
+            //add custom types here that are internal
+            ApplicationEventsResolver.Current.AddType<PublishedContentHelper>();
+        }
+
 		/// <summary>
-		/// Fires after initialization and calls the callback to allow for customizations to occur
+		/// Fires after initialization and calls the callback to allow for customizations to occur & 
+        /// Ensure that the OnApplicationStarting methods of the IApplicationEvents are called
 		/// </summary>
 		/// <param name="afterStartup"></param>
 		/// <returns></returns>
@@ -73,10 +124,14 @@ namespace Umbraco.Core
 			if (_isStarted)
 				throw new InvalidOperationException("The boot manager has already been initialized");

-			if (afterStartup != null)
-			{
-				afterStartup(ApplicationContext.Current);	
-			}
+            //call OnApplicationStarting of each application events handler
+            ApplicationEventsResolver.Current.ApplicationEventHandlers
+                .ForEach(x => x.OnApplicationStarting(UmbracoApplication, ApplicationContext));
+
+            if (afterStartup != null)
+            {
+                afterStartup(ApplicationContext.Current);
+            }

 			_isStarted = true;

@@ -93,68 +148,89 @@ namespace Umbraco.Core
 			if (_isComplete)
 				throw new InvalidOperationException("The boot manager has already been completed");

-			//freeze resolution to not allow Resolvers to be modified
-			Resolution.Freeze();
+		    FreezeResolution();

 			//stop the timer and log the output
 			_timer.Dispose();

-			if (afterComplete != null)
-			{
-				afterComplete(ApplicationContext.Current);	
-			}
+            //call OnApplicationStarting of each application events handler
+            ApplicationEventsResolver.Current.ApplicationEventHandlers
+                .ForEach(x => x.OnApplicationStarted(UmbracoApplication, ApplicationContext));
+
+            //Now, startup all of our legacy startup handler
+            ApplicationEventsResolver.Current.InstantiateLegacyStartupHanlders();
+
+            if (afterComplete != null)
+            {
+                afterComplete(ApplicationContext.Current);
+            }

 			_isComplete = true;

+            // we're ready to serve content!
+            ApplicationContext.IsReady = true;
+
 			return this;
 		}

+        /// <summary>
+        /// Freeze resolution to not allow Resolvers to be modified
+        /// </summary>
+        protected virtual void FreezeResolution()
+        {
+            Resolution.Freeze();
+        }
+        
 		/// <summary>
 		/// Create the resolvers
 		/// </summary>
 		protected virtual void InitializeResolvers()
 		{
+            //by default we'll use the standard configuration based sync
+            ServerRegistrarResolver.Current = new ServerRegistrarResolver(
+                new ConfigServerRegistrar()); 
+
+            //by default (outside of the web) we'll use the default server messenger without
+            //supplying a username/password, this will automatically disable distributed calls
+            // .. we'll override this in the WebBootManager
+            ServerMessengerResolver.Current = new ServerMessengerResolver(
+                new DefaultServerMessenger());
+
+            MappingResolver.Current = new MappingResolver(
+                () => PluginManager.Current.ResolveAssignedMapperTypes());
+
 			RepositoryResolver.Current = new RepositoryResolver(
 				new RepositoryFactory());

+		    SqlSyntaxProvidersResolver.Current = new SqlSyntaxProvidersResolver(
+                new[] { typeof(MySqlSyntaxProvider), typeof(SqlCeSyntaxProvider), typeof(SqlServerSyntaxProvider) })
+		        {
+		            CanResolveBeforeFrozen = true
+		        };
+
 			CacheRefreshersResolver.Current = new CacheRefreshersResolver(
-				PluginManager.Current.ResolveCacheRefreshers());
+				() => PluginManager.Current.ResolveCacheRefreshers());

 			DataTypesResolver.Current = new DataTypesResolver(
-				PluginManager.Current.ResolveDataTypes());
+				() => PluginManager.Current.ResolveDataTypes());

 			MacroFieldEditorsResolver.Current = new MacroFieldEditorsResolver(
-				PluginManager.Current.ResolveMacroRenderings());
+				() => PluginManager.Current.ResolveMacroRenderings());

 			PackageActionsResolver.Current = new PackageActionsResolver(
-				PluginManager.Current.ResolvePackageActions());
+				() => PluginManager.Current.ResolvePackageActions());

 			ActionsResolver.Current = new ActionsResolver(
-				PluginManager.Current.ResolveActions());
+				() => PluginManager.Current.ResolveActions());

            MacroPropertyTypeResolver.Current = new MacroPropertyTypeResolver(
                PluginManager.Current.ResolveMacroPropertyTypes());

-            //TODO: Y U NO WORK?
-            //MigrationResolver.Current = new MigrationResolver(
-            //    PluginManager.Current.ResolveMigrationTypes());
+            //the database migration objects
+            MigrationResolver.Current = new MigrationResolver(
+                () => PluginManager.Current.ResolveMigrationTypes());
            
-			//the database migration objects
-			MigrationResolver.Current = new MigrationResolver(new List<Type>
-				{
-					typeof (MigrationsVersionFourNineZero.RemoveUmbracoAppConstraints),
-					typeof (DeleteAppTables),
-					typeof (EnsureAppsTreesUpdated),
-					typeof (MoveMasterContentTypeData),
-					typeof (NewCmsContentType2ContentTypeTable),
-					typeof (RemoveMasterContentTypeColumn),
-					typeof (RenameCmsTabTable),
-					typeof (RenameTabIdColumn),
-					typeof (UpdateCmsContentTypeAllowedContentTypeTable),
-					typeof (UpdateCmsContentTypeTable),
-					typeof (UpdateCmsContentVersionTable),
-					typeof (UpdateCmsPropertyTypeGroupTable)
-				});
+

 			PropertyEditorValueConvertersResolver.Current = new PropertyEditorValueConvertersResolver(
 				PluginManager.Current.ResolvePropertyEditorValueConverters());
@@ -162,6 +238,18 @@ namespace Umbraco.Core
 			PropertyEditorValueConvertersResolver.Current.AddType<DatePickerPropertyEditorValueConverter>();
 			PropertyEditorValueConvertersResolver.Current.AddType<TinyMcePropertyEditorValueConverter>();
 			PropertyEditorValueConvertersResolver.Current.AddType<YesNoPropertyEditorValueConverter>();
-        }
+
+            // this is how we'd switch over to DefaultShortStringHelper _and_ still use
+            // UmbracoSettings UrlReplaceCharacters...
+            //ShortStringHelperResolver.Current = new ShortStringHelperResolver(
+            //    new DefaultShortStringHelper().WithConfig(DefaultShortStringHelper.ApplyUrlReplaceCharacters));
+
+            // use the Legacy one for now
+            ShortStringHelperResolver.Current = new ShortStringHelperResolver(
+		        new LegacyShortStringHelper());
+
+		    UrlSegmentProviderResolver.Current = new UrlSegmentProviderResolver(
+		        typeof (DefaultUrlSegmentProvider));
+		}
 	}
 }
@@ -14,7 +14,7 @@ namespace Umbraco.Core
 		/// Constructor
 		/// </summary>
 		/// <param name="dataTypes"></param>		
-		internal DataTypesResolver(IEnumerable<Type> dataTypes)
+		internal DataTypesResolver(Func<IEnumerable<Type>> dataTypes)
 			: base(dataTypes)
 		{

@@ -27,7 +27,7 @@ namespace Umbraco.Core
 		{
 			get
 			{
-				EnsureIdsAreTracked();
+				EnsureIsInitialized();
 				return Values;
 			}
 		}
@@ -9,6 +9,7 @@ using Umbraco.Core.Configuration;
 using Umbraco.Core.Logging;
 using Umbraco.Core.Persistence;
 using Umbraco.Core.Persistence.Migrations;
+using Umbraco.Core.Persistence.Migrations.Initial;
 using Umbraco.Core.Persistence.SqlSyntax;

 namespace Umbraco.Core
@@ -21,14 +22,15 @@ namespace Umbraco.Core
    /// </remarks>
    public class DatabaseContext
    {
-	    private readonly IDatabaseFactory _factory;
-	    private bool _configured;
+        private readonly IDatabaseFactory _factory;
+        private bool _configured;
        private string _connectionString;
        private string _providerName;
+        private DatabaseSchemaResult _result;

-		internal DatabaseContext(IDatabaseFactory factory)
+        internal DatabaseContext(IDatabaseFactory factory)
        {
-	        _factory = factory;
+            _factory = factory;
        }

        /// <summary>
@@ -107,10 +109,10 @@ namespace Umbraco.Core
        /// <summary>
        /// Configure a ConnectionString for the embedded database.
        /// </summary>
-        public void ConfigureDatabaseConnection()
+        public void ConfigureEmbeddedDatabaseConnection()
        {
            const string providerName = "System.Data.SqlServerCe.4.0";
-            const string connectionString = "Datasource=|DataDirectory|Umbraco.sdf";
+            const string connectionString = @"Data Source=|DataDirectory|\Umbraco.sdf";

            SaveConnectionString(connectionString, providerName);

@@ -149,14 +151,14 @@ namespace Umbraco.Core
        {
            string connectionString;
            string providerName = "System.Data.SqlClient";
-            if(databaseProvider.ToLower().Contains("mysql"))
+            if (databaseProvider.ToLower().Contains("mysql"))
            {
                providerName = "MySql.Data.MySqlClient";
                connectionString = string.Format("Server={0}; Database={1};Uid={2};Pwd={3}", server, databaseName, user, password);
            }
-            else if(databaseProvider.ToLower().Contains("azure"))
+            else if (databaseProvider.ToLower().Contains("azure"))
            {
-                connectionString = string.Format("Server=tcp:{0}.database.windows.net;Database={1};User ID={2}@{0};Password={3}", server, databaseName, user, password);
+                connectionString = BuildAzureConnectionString(server, databaseName, user, password);
            }
            else
            {
@@ -167,6 +169,52 @@ namespace Umbraco.Core
            Initialize(providerName);
        }

+        internal string BuildAzureConnectionString(string server, string databaseName, string user, string password)
+        {
+            if (server.Contains(".") && ServerStartsWithTcp(server) == false)
+                server = string.Format("tcp:{0}", server);
+            
+            if (server.Contains(".") == false && ServerStartsWithTcp(server))
+            {
+                string serverName = server.Contains(",") 
+                                        ? server.Substring(0, server.IndexOf(",", StringComparison.Ordinal)) 
+                                        : server;
+
+                var portAddition = string.Empty;
+
+                if (server.Contains(","))
+                    portAddition = server.Substring(server.IndexOf(",", StringComparison.Ordinal));
+
+                server = string.Format("{0}.database.windows.net{1}", serverName, portAddition);
+            }
+            
+            if (ServerStartsWithTcp(server) == false)
+                server = string.Format("tcp:{0}.database.windows.net", server);
+            
+            if (server.Contains(",") == false)
+                server = string.Format("{0},1433", server);
+
+            if (user.Contains("@") == false)
+            {
+                var userDomain = server;
+
+                if (ServerStartsWithTcp(server))
+                    userDomain = userDomain.Substring(userDomain.IndexOf(":", StringComparison.Ordinal) + 1);
+
+                if (userDomain.Contains("."))
+                    userDomain = userDomain.Substring(0, userDomain.IndexOf(".", StringComparison.Ordinal));
+
+                user = string.Format("{0}@{1}", user, userDomain);
+            }
+
+            return string.Format("Server={0};Database={1};User ID={2};Password={3}", server, databaseName, user, password);
+        }
+
+        private static bool ServerStartsWithTcp(string server)
+        {
+            return server.ToLower().StartsWith("tcp:".ToLower());
+        }
+
        /// <summary>
        /// Saves the connection string as a proper .net ConnectionString and the legacy AppSettings key/value.
        /// </summary>
@@ -204,7 +252,7 @@ namespace Umbraco.Core
            // Update connectionString if it exists, or else create a new appSetting for the given key and value
            var setting = connectionstrings.Descendants("add").FirstOrDefault(s => s.Attribute("name").Value == GlobalSettings.UmbracoConnectionName);
            if (setting == null)
-                connectionstrings.Add(new XElement("add", 
+                connectionstrings.Add(new XElement("add",
                    new XAttribute("name", GlobalSettings.UmbracoConnectionName),
                    new XAttribute("connectionString", connectionStringSettings),
                    new XAttribute("providerName", providerName)));
@@ -216,7 +264,7 @@ namespace Umbraco.Core

            xml.Save(fileName, SaveOptions.DisableFormatting);

-            LogHelper.Info<DatabaseContext>("Configured new ConnectionString: " + connectionString);
+            LogHelper.Info<DatabaseContext>("Configured a new ConnectionString using the '" + providerName + "' provider.");
        }

        /// <summary>
@@ -230,7 +278,8 @@ namespace Umbraco.Core
        /// </remarks>
        internal void Initialize()
        {
-            if (ConfigurationManager.ConnectionStrings[GlobalSettings.UmbracoConnectionName] != null)
+            var databaseSettings = ConfigurationManager.ConnectionStrings[GlobalSettings.UmbracoConnectionName];
+            if (databaseSettings != null && string.IsNullOrWhiteSpace(databaseSettings.ConnectionString) == false && string.IsNullOrWhiteSpace(databaseSettings.ProviderName) == false)
            {
                var providerName = "System.Data.SqlClient";
                if (!string.IsNullOrEmpty(ConfigurationManager.ConnectionStrings[GlobalSettings.UmbracoConnectionName].ProviderName))
@@ -239,23 +288,46 @@ namespace Umbraco.Core

                    _connectionString =
                        ConfigurationManager.ConnectionStrings[GlobalSettings.UmbracoConnectionName].ConnectionString;
-                    
+
                }

-                if (providerName.StartsWith("MySql"))
+                Initialize(providerName);
+            }
+            else if (ConfigurationManager.AppSettings.ContainsKey(GlobalSettings.UmbracoConnectionName) && string.IsNullOrEmpty(ConfigurationManager.AppSettings[GlobalSettings.UmbracoConnectionName]) == false)
+            {
+                //A valid connectionstring does not exist, but the legacy appSettings key was found, so we'll reconfigure the conn.string.
+                var legacyConnString = ConfigurationManager.AppSettings[GlobalSettings.UmbracoConnectionName];
+                if (legacyConnString.ToLowerInvariant().Contains("sqlce4umbraco"))
                {
-                    SyntaxConfig.SqlSyntaxProvider = MySqlSyntax.Provider;
+                    ConfigureEmbeddedDatabaseConnection();
                }
-                else if (providerName.Contains("SqlServerCe"))
+                else if (legacyConnString.ToLowerInvariant().Contains("tcp:"))
                {
-                    SyntaxConfig.SqlSyntaxProvider = SqlCeSyntax.Provider;
+                    //Must be sql azure
+                    SaveConnectionString(legacyConnString, "System.Data.SqlClient");
+                    Initialize("System.Data.SqlClient");
+                }
+                else if (legacyConnString.ToLowerInvariant().Contains("datalayer=mysql"))
+                {
+                    //Must be MySql
+
+                    //Need to strip the datalayer part off
+                    var connectionStringWithoutDatalayer = string.Empty;
+                    foreach (var variable in legacyConnString.Split(';').Where(x => x.ToLowerInvariant().StartsWith("datalayer") == false))
+                        connectionStringWithoutDatalayer = string.Format("{0}{1};", connectionStringWithoutDatalayer, variable);
+
+                    SaveConnectionString(connectionStringWithoutDatalayer, "MySql.Data.MySqlClient");
+                    Initialize("MySql.Data.MySqlClient");
                }
                else
                {
-                    SyntaxConfig.SqlSyntaxProvider = SqlServerSyntax.Provider;
+                    //Must be sql
+                    SaveConnectionString(legacyConnString, "System.Data.SqlClient");
+                    Initialize("System.Data.SqlClient");
                }

-                _configured = true;
+                //Remove the legacy connection string, so we don't end up in a loop if something goes wrong.
+                GlobalSettings.RemoveSetting(GlobalSettings.UmbracoConnectionName);
            }
            else
            {
@@ -265,50 +337,136 @@ namespace Umbraco.Core

        internal void Initialize(string providerName)
        {
-            if (providerName.StartsWith("MySql"))
-            {
-                SyntaxConfig.SqlSyntaxProvider = MySqlSyntax.Provider;
-            }
-            else if (providerName.Contains("SqlServerCe"))
-            {
-                SyntaxConfig.SqlSyntaxProvider = SqlCeSyntax.Provider;
-            }
-            else
-            {
-                SyntaxConfig.SqlSyntaxProvider = SqlServerSyntax.Provider;
-            }
+            _providerName = providerName;

-            _configured = true;
+            try
+            {
+                SqlSyntaxContext.SqlSyntaxProvider =
+                    SqlSyntaxProvidersResolver.Current.GetByProviderNameOrDefault(providerName);
+                
+                _configured = true;
+            }
+            catch (Exception e)
+            {
+                _configured = false;
+
+                LogHelper.Info<DatabaseContext>("Initialization of the DatabaseContext failed with following error: " + e.Message);
+                LogHelper.Info<DatabaseContext>(e.StackTrace);
+            }
+        }
+
+        internal DatabaseSchemaResult ValidateDatabaseSchema()
+        {
+            if (_configured == false || (string.IsNullOrEmpty(_connectionString) || string.IsNullOrEmpty(ProviderName)))
+                return new DatabaseSchemaResult();
+
+            if (_result == null)
+            {
+                var database = new UmbracoDatabase(_connectionString, ProviderName);
+                var dbSchema = new DatabaseSchemaCreation(database);
+                _result = dbSchema.ValidateSchema();
+            }
+            return _result;
        }

        internal Result CreateDatabaseSchemaAndDataOrUpgrade()
        {
            if (_configured == false || (string.IsNullOrEmpty(_connectionString) || string.IsNullOrEmpty(ProviderName)))
            {
-                return new Result{Message = "Database configuration is invalid", Success = false, Percentage = "10"};
+                return new Result
+                           {
+                               Message =
+                                   "Database configuration is invalid. Please check that the entered database exists and that the provided username and password has write access to the database.",
+                               Success = false,
+                               Percentage = "10"
+                           };
            }

            try
            {
+                LogHelper.Info<DatabaseContext>("Database configuration status: Started");
+
+                var message = string.Empty;
+
                var database = new UmbracoDatabase(_connectionString, ProviderName);
-                //If Configuration Status is empty its a new install - otherwise upgrade the existing
-                if (string.IsNullOrEmpty(GlobalSettings.ConfigurationStatus))
+                var supportsCaseInsensitiveQueries = SqlSyntaxContext.SqlSyntaxProvider.SupportsCaseInsensitiveQueries(database);
+                if (supportsCaseInsensitiveQueries  == false)
                {
-                    database.CreateDatabaseSchema();
+                    message = "<p>&nbsp;</p><p>The database you're trying to use does not support case insensitive queries. <br />We currently do not support these types of databases.</p>" +
+                              "<p>You can fix this by changing the following two settings in your my.ini file in your MySQL installation directory:</p>" +
+                              "<pre>lower_case_table_names=1\nlower_case_file_system=1</pre><br />" +
+                              "<p>Note: Make sure to check with your hosting provider if they support case insensitive queries as well.</p>" +
+                              "<p>For more technical information on case sensitivity in MySQL, have a look at " +
+                              "<a href='http://dev.mysql.com/doc/refman/5.0/en/identifier-case-sensitivity.html'>the documentation on the subject</a></p>";
+
+                    return new Result { Message = message, Success = false, Percentage = "15" };
+                }
+                else if (supportsCaseInsensitiveQueries == null)
+                {
+                    message = "<p>&nbsp;</p><p>Warning! Could not check if your database type supports case insensitive queries. <br />We currently do not support these databases that do not support case insensitive queries.</p>" +
+                              "<p>You can check this by looking for the following two settings in your my.ini file in your MySQL installation directory:</p>" +
+                              "<pre>lower_case_table_names=1\nlower_case_file_system=1</pre><br />" +
+                              "<p>Note: Make sure to check with your hosting provider if they support case insensitive queries as well.</p>" +
+                              "<p>For more technical information on case sensitivity in MySQL, have a look at " +
+                              "<a href='http://dev.mysql.com/doc/refman/5.0/en/identifier-case-sensitivity.html'>the documentation on the subject</a></p>";
                }
                else
                {
-                    var configuredVersion = new Version(GlobalSettings.ConfigurationStatus);
+                    if (SqlSyntaxContext.SqlSyntaxProvider.GetType() == typeof(MySqlSyntaxProvider))
+                    {
+                        message = "<p>&nbsp;</p><p>Congratulations, the database step ran successfully!</p>" +
+                                  "<p>Note: You're using MySQL and the database instance you're connecting to seems to support case insensitive queries.</p>" +
+                                  "<p>However, your hosting provider may not support this option. Umbraco does not currently support MySQL installs that do not support case insensitive queries</p>" +
+                                  "<p>Make sure to check with your hosting provider if they support case insensitive queries as well.</p>" +
+                                  "<p>They can check this by looking for the following two settings in the my.ini file in their MySQL installation directory:</p>" +
+                                  "<pre>lower_case_table_names=1\nlower_case_file_system=1</pre><br />" +
+                                  "<p>For more technical information on case sensitivity in MySQL, have a look at " +
+                                  "<a href='http://dev.mysql.com/doc/refman/5.0/en/identifier-case-sensitivity.html'>the documentation on the subject</a></p>";
+                    }
+                }
+
+                var schemaResult = ValidateDatabaseSchema();
+                var installedVersion = schemaResult.DetermineInstalledVersion();
+                
+
+                //If Configuration Status is empty and the determined version is "empty" its a new install - otherwise upgrade the existing
+                if (string.IsNullOrEmpty(GlobalSettings.ConfigurationStatus) && installedVersion.Equals(new Version(0, 0, 0)))
+                {
+                    database.CreateDatabaseSchema();
+                    message = message + "<p>Installation completed!</p>";
+                }
+                else
+                {
+                    var configuredVersion = string.IsNullOrEmpty(GlobalSettings.ConfigurationStatus)
+                                                ? installedVersion
+                                                : new Version(GlobalSettings.ConfigurationStatus);
                    var targetVersion = UmbracoVersion.Current;
                    var runner = new MigrationRunner(configuredVersion, targetVersion, GlobalSettings.UmbracoMigrationName);
                    var upgraded = runner.Execute(database, true);
+                    message = message + "<p>Upgrade completed!</p>";
                }
-                
-                return new Result { Message = "Installation completed!", Success = true, Percentage = "100" };
+
+                LogHelper.Info<DatabaseContext>("Database configuration status: " + message);
+
+                return new Result { Message = message, Success = true, Percentage = "100" };
            }
            catch (Exception ex)
            {
-                return new Result { Message = ex.Message, Success = false, Percentage = "90" };
+                LogHelper.Info<DatabaseContext>("Database configuration failed with the following error and stack trace: " + ex.Message + "\n" + ex.StackTrace);
+
+                if (_result != null)
+                {
+                    LogHelper.Info<DatabaseContext>("The database schema validation produced the following summary: \n" + _result.GetSummary());
+                }
+
+                return new Result
+                           {
+                               Message =
+                                   "The database configuration failed with the following message: " + ex.Message +
+                                   "\n Please check log file for additional information (can be found in '/App_Data/Logs/UmbracoTraceLog.txt')",
+                               Success = false,
+                               Percentage = "90"
+                           };
            }
        }

@@ -5,7 +5,7 @@ namespace Umbraco.Core.Dictionary
 	/// <summary>
 	/// Resolves the current CultureDictionaryFactory
 	/// </summary>
-	internal class CultureDictionaryFactoryResolver : SingleObjectResolverBase<CultureDictionaryFactoryResolver, ICultureDictionaryFactory>
+	internal sealed class CultureDictionaryFactoryResolver : SingleObjectResolverBase<CultureDictionaryFactoryResolver, ICultureDictionaryFactory>
 	{
 		internal CultureDictionaryFactoryResolver(ICultureDictionaryFactory factory)
 			: base(factory)
@@ -9,35 +9,106 @@ using System.Xml.XPath;
 using System.Collections;
 using System.IO;
 using System.Web;
+using Umbraco.Core;

 namespace Umbraco.Core.Dynamics
 {
 	[TypeConverter(typeof(DynamicXmlConverter))]
 	public class DynamicXml : DynamicObject, IEnumerable<DynamicXml>, IEnumerable<XElement>
    {
+        /// <summary>
+        /// Returns the XElement used to create the DynamicXml structure
+        /// </summary>
        public XElement BaseElement { get; set; }

+	    /// <summary>
+        /// Returns the raw XElement used to create the DynamicXml structure if one was specified otherwise returns the 
+        /// same value as BaseElement.
+        /// </summary>
+        /// <remarks>
+        /// This is purely used for when an instance of DynamicXml is created with the overload that supports
+        /// passing in both a raw xml version and a dash-stripped xml version. Otherwise this value is exactly the 
+        /// same as BaseElement.
+        /// </remarks>
+        public XElement RawXmlElement { get; internal set; }
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="baseElement"></param>
        public DynamicXml(XElement baseElement)
        {
-            this.BaseElement = baseElement;
+            if (baseElement == null) return;
+
+            //same
+            RawXmlElement = baseElement;
+            BaseElement = baseElement;
        }
-        public DynamicXml(string xml)
+
+        /// <summary>
+        /// When this constructor is used the BaseElement becomes equivalent to the strippedXml structure
+        /// </summary>
+        /// <param name="strippedXml"></param>
+        /// <param name="rawXml"></param>
+        internal DynamicXml(XElement strippedXml, XElement rawXml)
        {
-            var baseElement = XElement.Parse(xml);
-            this.BaseElement = baseElement;
+            if (rawXml == null) return;
+            if (strippedXml == null) return;
+
+            RawXmlElement = rawXml;
+            BaseElement = strippedXml;
        }
+
+        /// <summary>
+        /// When this constructor is used the BaseElement becomes equivalent to the strippedXml structure
+        /// </summary>
+        /// <param name="strippedXml"></param>
+        /// <param name="rawXml"></param>
+        internal DynamicXml(string strippedXml, string rawXml)
+        {
+            if (rawXml == null) return;
+            if (strippedXml == null) return;
+
+            RawXmlElement = XElement.Parse(rawXml);
+            BaseElement = XElement.Parse(strippedXml);
+        }
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="xml"></param>
+	    public DynamicXml(string xml)
+        {
+            if (xml.IsNullOrWhiteSpace()) return;
+
+            var baseElement = XElement.Parse(xml);
+            
+            //same
+            RawXmlElement = baseElement;
+            BaseElement = baseElement;
+        }
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="xpni"></param>
        public DynamicXml(XPathNodeIterator xpni)
        {
-            if (xpni != null)
-            {
-                if (xpni.Current != null)
-                {
-                    var xml = xpni.Current.OuterXml;
-                    var baseElement = XElement.Parse(xml);
-                    this.BaseElement = baseElement;
-                }
-            }
+            if (xpni == null) return;
+            if (xpni.Current == null) return;
+
+            //TODO: OuterXml is really bad for performance! Should actually use the XPathNodeIterator api
+            var xml = xpni.Current.OuterXml;                    
+            var baseElement = XElement.Parse(xml);
+            
+            //same
+            RawXmlElement = baseElement;
+            BaseElement = baseElement;
        }
+
+	    /// <summary>
+        /// Returns the InnertText based on the BaseElement object
+        /// </summary>
        public string InnerText
        {
            get
@@ -45,17 +116,34 @@ namespace Umbraco.Core.Dynamics
                return BaseElement.Value;
            }
        }
+
+        /// <summary>
+        /// Returns the string representation of the BaseElement object
+        /// </summary>
+        /// <returns></returns>
        public string ToXml()
        {
            return BaseElement.ToString(SaveOptions.DisableFormatting);
        }
+
+        /// <summary>
+        /// Returns the string representation of the RawXmlElement object
+        /// </summary>
+        /// <returns></returns>
+        public string ToRawXml()
+        {
+            return RawXmlElement.ToString(SaveOptions.DisableFormatting);
+        }
+
        public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object result)
        {
            int index = 0;
            if (indexes.Length > 0)
            {
                index = (int)indexes[0];
-                result = new DynamicXml(this.BaseElement.Elements().ToList()[index]);
+                result = new DynamicXml(
+                    RawXmlElement.Elements().ElementAt(index),
+                    BaseElement.Elements().ElementAt(index));
                return true;
            }
            return base.TryGetIndex(binder, indexes, out result);
@@ -64,12 +152,12 @@ namespace Umbraco.Core.Dynamics
        {
            if (args.Length == 0 && binder.Name == "ToXml")
            {
-                result = this.BaseElement.ToString();
+                result = BaseElement.ToString();
                return true;
            }
            if (args.Length == 1 && binder.Name == "XPath")
            {
-                var elements = this.BaseElement.XPathSelectElements(args[0].ToString());
+                var elements = BaseElement.XPathSelectElements(args[0].ToString());
                HandleIEnumerableXElement(elements, out result);
                return true; //anyway
            }
@@ -102,7 +190,9 @@ namespace Umbraco.Core.Dynamics
 						}
 						else if (attempt.Result.ObjectResult is IEnumerable<DynamicXml>)
 						{
-							result = ((IEnumerable<DynamicXml>)attempt.Result.ObjectResult).Select(x => new DynamicXml(x.BaseElement));
+						    result = ((IEnumerable<DynamicXml>) attempt.Result.ObjectResult).Select(x => new DynamicXml(
+						                                                                                     x.RawXmlElement,
+						                                                                                     x.BaseElement));
 						}
 					}
 				}
@@ -123,55 +213,102 @@ namespace Umbraco.Core.Dynamics
        }
        public override bool TryGetMember(GetMemberBinder binder, out object result)
        {
-            if (BaseElement == null || binder == null)
+            if (RawXmlElement == null || binder == null)
            {
                result = null;
                return false;
            }
-            //Go ahead and try to fetch all of the elements matching the member name, and wrap them
-            var elements = BaseElement.Elements(binder.Name);
-            if (!elements.Any() && BaseElement.Name == "root" && BaseElement.Elements().Count() == 1)
-            {
-                //no elements matched, lets try first child
-                elements = BaseElement.Elements().ElementAt(0).Elements(binder.Name);
-            }
-            if (HandleIEnumerableXElement(elements, out result))
-            {
-                return true;
-            }
-            else
-            {

-                //Ok, so no elements matched, so lets try attributes
-                IEnumerable<string> attributes = BaseElement.Attributes(binder.Name).Select(attr => attr.Value);
-                int count = attributes.Count();
-
-                if (count > 0)
+            //Check if the name matches a node based on the BaseElement (which if the correct ctor is used, will be dash stripped)
+            var elementByNameAttempt = CheckNodeNameMatch(binder.Name, BaseElement);
+            if (elementByNameAttempt.Success)
+            {
+                if (HandleIEnumerableXElement(elementByNameAttempt.Result, out result))
                {
-                    if (count > 1)
-                        result = attributes; //more than one attribute matched, lets return the collection
-                    else
-                        result = attributes.FirstOrDefault(); //only one attribute matched, lets just return it
+                    return true;
+                }
+            }

-                    return true; // return true because we matched
+            //Check if the name matches a node based on the BaseElement (which if the correct ctor is used, will be dash stripped)
+            var attributeByNameAttempt = CheckAttributeNameMatch(binder.Name, BaseElement);
+            if (attributeByNameAttempt.Success)
+            {
+                if (attributeByNameAttempt.Result.Count() > 1)
+                {
+                    //more than one attribute matched, lets return the collection
+                    result = attributeByNameAttempt.Result;
                }
                else
                {
-                    //no attributes matched, lets try first child
-                    if (BaseElement.Name == "root" && BaseElement.Elements().Count() == 1)
-                    {
-                        attributes = BaseElement.Elements().ElementAt(0).Attributes(binder.Name).Select(attr => attr.Value);
-                        count = attributes.Count();
-                        if (count > 1)
-                            result = attributes; //more than one attribute matched, lets return the collection
-                        else
-                            result = attributes.FirstOrDefault(); //only one attribute matched, lets just return it
+                    //only one attribute matched, lets just return it
+                    result = attributeByNameAttempt.Result.FirstOrDefault(); 
+                }
+                return true; 
+            }
+           

-                        return true; // return true because we matched
-                    }
+            return base.TryGetMember(binder, out result);
+        }
+
+        /// <summary>
+        /// Checks if the 'name' matches any attributes of xmlElement
+        /// </summary>
+        /// <param name="name">The name to match</param>
+        /// <param name="xmlElement">The xml element to check against</param>
+        /// <returns></returns>
+        private static Attempt<IEnumerable<string>> CheckAttributeNameMatch(string name, XElement xmlElement)
+        {
+            var attributes = xmlElement.Attributes(name).Select(attr => attr.Value).ToArray();
+            if (attributes.Any())
+            {
+                return new Attempt<IEnumerable<string>>(true, attributes);
+            }
+
+            if (!attributes.Any() && xmlElement.Name == "root" && xmlElement.Elements().Count() == 1)
+            {
+                //no elements matched and this node is called 'root' and only has one child... lets see if it matches.
+                var childElements = xmlElement.Elements().ElementAt(0).Attributes(name).Select(attr => attr.Value).ToArray();
+                if (childElements.Any())
+                {
+                    //we've found a match by the first child of an element called 'root' (strange, but sure)
+                    return new Attempt<IEnumerable<string>>(true, childElements);
+                }
+            }            
+
+            //no deal
+            return Attempt<IEnumerable<string>>.False;
+	    }
+
+	    /// <summary>
+        /// Checks if the 'name' matches any elements of xmlElement
+        /// </summary>
+        /// <param name="name">The name to match</param>
+        /// <param name="xmlElement">The xml element to check against</param>
+        /// <returns></returns>
+        private Attempt<IEnumerable<XElement>> CheckNodeNameMatch(string name, XElement xmlElement)
+        {
+            //Go ahead and try to fetch all of the elements matching the member name, and wrap them
+            var elements = xmlElement.Elements(name).ToArray();
+
+            //Check if we've got any matches, if so then return true
+            if (elements.Any())
+            {
+                return new Attempt<IEnumerable<XElement>>(true, elements);
+            }
+
+            if (!elements.Any() && xmlElement.Name == "root" && xmlElement.Elements().Count() == 1)
+            {
+                //no elements matched and this node is called 'root' and only has one child... lets see if it matches.
+                var childElements = xmlElement.Elements().ElementAt(0).Elements(name).ToArray();
+                if (childElements.Any())
+                {
+                    //we've found a match by the first child of an element called 'root' (strange, but sure)
+                    return new Attempt<IEnumerable<XElement>>(true, childElements);
                }
            }
-            return base.TryGetMember(binder, out result);
+            
+            //no deal
+            return Attempt<IEnumerable<XElement>>.False;
        }

        private bool HandleIEnumerableXElement(IEnumerable<XElement> elements, out object result)
@@ -193,7 +330,7 @@ namespace Umbraco.Core.Dynamics
                    //We have more than one matching element, so let's return the collection
                    //elements is IEnumerable<DynamicXml>
                    //but we want to be able to re-enter this code
-                    XElement root = new XElement(XName.Get("root"));
+                    var root = new XElement(XName.Get("root"));
                    root.Add(elements);
                    result = new DynamicXml(root);

@@ -205,10 +342,16 @@ namespace Umbraco.Core.Dynamics
            result = null;
            return false;
        }
+
+        /// <summary>
+        /// Executes an XPath expression over the BaseElement object
+        /// </summary>
+        /// <param name="expression"></param>
+        /// <returns></returns>
        public DynamicXml XPath(string expression)
        {
-            var matched = this.BaseElement.XPathSelectElements(expression);
-            DynamicXml root = new DynamicXml("<results/>");
+            var matched = BaseElement.XPathSelectElements(expression);
+            var root = new DynamicXml("<results/>");
            foreach (var element in matched)
            {
                root.BaseElement.Add(element);
@@ -217,7 +360,7 @@ namespace Umbraco.Core.Dynamics
        }

 		/// <summary>
-		/// Return the string version of Xml
+        /// Return the string version of the BaseElement object
 		/// </summary>
 		/// <returns></returns>
 		public override string ToString()
@@ -231,23 +374,23 @@ namespace Umbraco.Core.Dynamics
        }
        public DynamicXml Find(string expression)
        {
-            return new DynamicXml(this.BaseElement.XPathSelectElements(expression).FirstOrDefault());
+            return new DynamicXml(BaseElement.XPathSelectElements(expression).FirstOrDefault());
        }

        public DynamicXml Find(string attributeName, object value)
        {
            string expression = string.Format("//*[{0}='{1}']", attributeName, value);
-            return new DynamicXml(this.BaseElement.XPathSelectElements(expression).FirstOrDefault());
+            return new DynamicXml(BaseElement.XPathSelectElements(expression).FirstOrDefault());
        }

 	    IEnumerator<XElement> IEnumerable<XElement>.GetEnumerator()
 	    {
-			return this.BaseElement.Elements().GetEnumerator();
+            return BaseElement.Elements().GetEnumerator();
 	    }

 	    public IEnumerator<DynamicXml> GetEnumerator()
 	    {
-			return this.BaseElement.Elements().Select(e => new DynamicXml(e)).GetEnumerator();
+            return BaseElement.Elements().Select(e => new DynamicXml(e)).GetEnumerator();
 	    }

 		IEnumerator IEnumerable.GetEnumerator()
@@ -310,7 +453,7 @@ namespace Umbraco.Core.Dynamics
        }
        public bool IsPosition(int index)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return false;
            }
@@ -318,7 +461,7 @@ namespace Umbraco.Core.Dynamics
        }
        public HtmlString IsPosition(int index, string valueIfTrue)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return new HtmlString(string.Empty);
            }
@@ -326,7 +469,7 @@ namespace Umbraco.Core.Dynamics
        }
        public HtmlString IsPosition(int index, string valueIfTrue, string valueIfFalse)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return new HtmlString(valueIfFalse);
            }
@@ -334,7 +477,7 @@ namespace Umbraco.Core.Dynamics
        }
        public bool IsModZero(int modulus)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return false;
            }
@@ -342,7 +485,7 @@ namespace Umbraco.Core.Dynamics
        }
        public HtmlString IsModZero(int modulus, string valueIfTrue)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return new HtmlString(string.Empty);
            }
@@ -350,7 +493,7 @@ namespace Umbraco.Core.Dynamics
        }
        public HtmlString IsModZero(int modulus, string valueIfTrue, string valueIfFalse)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return new HtmlString(valueIfFalse);
            }
@@ -359,7 +502,7 @@ namespace Umbraco.Core.Dynamics

        public bool IsNotModZero(int modulus)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || BaseElement.Parent == null)
            {
                return false;
            }
@@ -367,7 +510,7 @@ namespace Umbraco.Core.Dynamics
        }
        public HtmlString IsNotModZero(int modulus, string valueIfTrue)
        {
-            if (this.BaseElement == null || this.BaseElement.Parent == null)
+            if (BaseElement == null || this.BaseElement.Parent == null)
            {
                return new HtmlString(string.Empty);
            }
@@ -573,7 +716,8 @@ namespace Umbraco.Core.Dynamics
        }
 		public IEnumerable<DynamicXml> Descendants(Func<XElement, bool> func)
        {
-            var flattenedNodes = this.BaseElement.Elements().Map(func, (XElement n) => { return n.Elements(); });
+            //var flattenedNodes = this.BaseElement.Elements().Map(func, n => n.Elements());
+		    var flattenedNodes = this.BaseElement.Elements().SelectMany(n => n.Elements()).Where(func);
            return flattenedNodes.ToList().ConvertAll(n => new DynamicXml(n));
        }
 		public IEnumerable<DynamicXml> DescendantsOrSelf()
@@ -582,7 +726,8 @@ namespace Umbraco.Core.Dynamics
        }
 		public IEnumerable<DynamicXml> DescendantsOrSelf(Func<XElement, bool> func)
        {
-            var flattenedNodes = this.BaseElement.Elements().Map(func, (XElement n) => { return n.Elements(); });
+            //var flattenedNodes = this.BaseElement.Elements().Map(func, n => n.Elements());
+		    var flattenedNodes = this.BaseElement.Elements().SelectMany(n => n.Elements()).Where(func);
            var list = new List<DynamicXml>();
            list.Add(this);
            list.AddRange(flattenedNodes.ToList().ConvertAll(n => new DynamicXml(n)));
@@ -689,57 +834,10 @@ namespace Umbraco.Core.Dynamics
            return test(this) ? new HtmlString(valueIfTrue) : new HtmlString(valueIfFalse);
        }

+        [Obsolete("Use XmlHelper.StripDashesInElementOrAttributeNames instead")]
        public static string StripDashesInElementOrAttributeNames(string xml)
        {
-            using (MemoryStream outputms = new MemoryStream())
-            {
-                using (TextWriter outputtw = new StreamWriter(outputms))
-                {
-                    using (MemoryStream ms = new MemoryStream())
-                    {
-                        using (TextWriter tw = new StreamWriter(ms))
-                        {
-                            tw.Write(xml);
-                            tw.Flush();
-                            ms.Position = 0;
-                            using (TextReader tr = new StreamReader(ms))
-                            {
-                                bool IsInsideElement = false, IsInsideQuotes = false;
-                                int ic = 0;
-                                while ((ic = tr.Read()) != -1)
-                                {
-                                    if (ic == (int)'<' && !IsInsideQuotes)
-                                    {
-                                        if (tr.Peek() != (int)'!')
-                                        {
-                                            IsInsideElement = true;
-                                        }
-                                    }
-                                    if (ic == (int)'>' && !IsInsideQuotes)
-                                    {
-                                        IsInsideElement = false;
-                                    }
-                                    if (ic == (int)'"')
-                                    {
-                                        IsInsideQuotes = !IsInsideQuotes;
-                                    }
-                                    if (!IsInsideElement || ic != (int)'-' || IsInsideQuotes)
-                                    {
-                                        outputtw.Write((char)ic);
-                                    }
-                                }
-
-                            }
-                        }
-                    }
-                    outputtw.Flush();
-                    outputms.Position = 0;
-                    using (TextReader outputtr = new StreamReader(outputms))
-                    {
-                        return outputtr.ReadToEnd();
-                    }
-                }
-            }
+            return XmlHelper.StripDashesInElementOrAttributeNames(xml);
        }

 	    
@@ -7,6 +7,58 @@ using System.Xml.Linq;

 namespace Umbraco.Core.Dynamics
 {
+    /// <summary>
+    /// Used to return the raw xml string value from DynamicXml when using type converters
+    /// </summary>
+    public class RawXmlString
+    {
+        public string Value { get; private set; }
+
+        public RawXmlString(string value)
+        {
+            Value = value;
+        }
+    }
+
+    /// <summary>
+    /// Used to return the raw xml XElement value from DynamicXml when using type converters
+    /// </summary>
+    public class RawXElement
+    {
+        public XElement Value { get; private set; }
+
+        public RawXElement(XElement value)
+        {
+            Value = value;
+        }
+    }
+
+    /// <summary>
+    /// Used to return the raw xml XElement value from DynamicXml when using type converters
+    /// </summary>
+    public class RawXmlElement
+    {
+        public XmlElement Value { get; private set; }
+
+        public RawXmlElement(XmlElement value)
+        {
+            Value = value;
+        }
+    }
+
+    /// <summary>
+    /// Used to return the raw xml XmlDocument value from DynamicXml when using type converters
+    /// </summary>
+    public class RawXmlDocument
+    {
+        public XmlDocument Value { get; private set; }
+
+        public RawXmlDocument(XmlDocument value)
+        {
+            Value = value;
+        }
+    }
+
 	/// <summary>
 	/// A custom type converter for DynamicXml
 	/// </summary>
@@ -14,7 +66,17 @@ namespace Umbraco.Core.Dynamics
 	{
 		public override bool CanConvertTo(ITypeDescriptorContext context, Type sourceType)
 		{
-			var convertableTypes = new[] {typeof(string), typeof(XElement), typeof(XmlElement), typeof(XmlDocument)};
+			var convertableTypes = new[]
+			    {
+			        typeof(string), 
+                    typeof(XElement), 
+                    typeof(XmlElement), 
+                    typeof(XmlDocument),
+                    typeof(RawXmlString), 
+                    typeof(RawXElement), 
+                    typeof(RawXmlElement), 
+                    typeof(RawXmlDocument)
+			    };

 			return convertableTypes.Any(x => TypeHelper.IsTypeAssignableFrom(x, sourceType)) 
 			       || base.CanConvertFrom(context, sourceType);
@@ -34,6 +96,7 @@ namespace Umbraco.Core.Dynamics
 			{
 				return value.ToString();
 			}
+            
 			//XElement
 			if (TypeHelper.IsTypeAssignableFrom<XElement>(destinationType))
 			{
@@ -53,6 +116,34 @@ namespace Umbraco.Core.Dynamics
 				xDoc.LoadXml(dxml.ToString());
 				return xDoc;
 			}
+
+            //RAW values:
+            //string
+            if (TypeHelper.IsTypeAssignableFrom<RawXmlString>(destinationType))
+            {
+                return new RawXmlString(dxml.ToRawXml());
+            }
+            //XElement
+            if (TypeHelper.IsTypeAssignableFrom<RawXElement>(destinationType))
+            {
+                return new RawXElement(dxml.RawXmlElement);
+            }
+            //XmlElement
+            if (TypeHelper.IsTypeAssignableFrom<RawXmlElement>(destinationType))
+            {
+                var xDoc = new XmlDocument();
+                xDoc.LoadXml(dxml.ToRawXml());
+                return new RawXmlElement(xDoc.DocumentElement);
+            }
+            //XmlDocument
+            if (TypeHelper.IsTypeAssignableFrom<RawXmlDocument>(destinationType))
+            {
+                var xDoc = new XmlDocument();
+                xDoc.LoadXml(dxml.ToRawXml());
+                return new RawXmlDocument(xDoc);
+            }
+
+
 			return base.ConvertTo(context, culture, value, destinationType);
 		}
 	}
@@ -5,36 +5,35 @@ using Umbraco.Core.Models;

 namespace Umbraco.Core.Dynamics
 {
+    [Obsolete("This class should not be used, it is just referenced by already obsoleted code and will be removed in the future")]
    internal static class ExtensionMethods
    {
-        public static IEnumerable<TSource> Map<TSource>(
-            this IEnumerable<TSource> source,
-            Func<TSource, bool> selectorFunction,
-            Func<TSource, IEnumerable<TSource>> getChildrenFunction)
-        {
-            if (!source.Any())
-            {
-                return source;
-            }
-            // Add what we have to the stack   
-            var flattenedList = source.Where(selectorFunction);
-            // Go through the input enumerable looking for children,   
-            // and add those if we have them   
-            foreach (TSource element in source)
-            {
-                var secondInner = getChildrenFunction(element);
-                if (secondInner.Any())
-                {
-                    secondInner = secondInner.Map(selectorFunction, getChildrenFunction);
-                }
-                flattenedList = flattenedList.Concat(secondInner);
-            }
-            return flattenedList;
-        }
-
-
-        
+        //public static IEnumerable<TSource> Map<TSource>(
+        //    this IEnumerable<TSource> source,
+        //    Func<TSource, bool> selectorFunction,
+        //    Func<TSource, IEnumerable<TSource>> getChildrenFunction)
+        //{
+        //    if (!source.Any())
+        //    {
+        //        return source;
+        //    }
+        //    // Add what we have to the stack   
+        //    var flattenedList = source.Where(selectorFunction);
+        //    // Go through the input enumerable looking for children,   
+        //    // and add those if we have them   
+        //    foreach (TSource element in source)
+        //    {
+        //        var secondInner = getChildrenFunction(element);
+        //        if (secondInner.Any())
+        //        {
+        //            secondInner = secondInner.Map(selectorFunction, getChildrenFunction);
+        //        }
+        //        flattenedList = flattenedList.Concat(secondInner);
+        //    }
+        //    return flattenedList;
+        //}

+        [Obsolete("This method should not be used and will be removed in the future")]
        public static bool ContainsAny(this string haystack, IEnumerable<string> needles)
        {
        	if (haystack == null) throw new ArgumentNullException("haystack");
@@ -44,6 +43,7 @@ namespace Umbraco.Core.Dynamics
            }
            return false;
        }
+        [Obsolete("This method should not be used and will be removed in the future")]
        public static bool ContainsAny(this string haystack, params string[] needles)
        {
        	if (haystack == null) throw new ArgumentNullException("haystack");
@@ -53,6 +53,7 @@ namespace Umbraco.Core.Dynamics
            }
            return false;
        }
+        [Obsolete("This method should not be used and will be removed in the future")]
 		public static bool ContainsAny(this string haystack, StringComparison comparison, IEnumerable<string> needles)
        {
        	if (haystack == null) throw new ArgumentNullException("haystack");
@@ -62,6 +63,7 @@ namespace Umbraco.Core.Dynamics
            }
            return false;
        }
+        [Obsolete("This method should not be used and will be removed in the future")]
        public static bool ContainsAny(this string haystack, StringComparison comparison, params string[] needles)
        {
        	if (haystack == null) throw new ArgumentNullException("haystack");
@@ -71,12 +73,13 @@ namespace Umbraco.Core.Dynamics
            }
            return false;
        }
+        [Obsolete("This method should not be used and will be removed in the future")]
        public static bool ContainsInsensitive(this string haystack, string needle)
        {
        	if (haystack == null) throw new ArgumentNullException("haystack");
        	return haystack.IndexOf(needle, StringComparison.CurrentCultureIgnoreCase) >= 0;
        }
-
+        [Obsolete("This method should not be used and will be removed in the future")]
    	public static bool HasValue(this string s)
        {
            return !string.IsNullOrWhiteSpace(s);
@@ -0,0 +1,4 @@
+namespace Umbraco.Core.Events
+{
+    internal class DatabaseCreationEventArgs : System.ComponentModel.CancelEventArgs{}
+}
@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Umbraco.Core.Events
+{
+    // Provides information on the macro that caused an error
+    public class MacroErrorEventArgs : System.EventArgs
+    {
+        /// <summary>
+        /// Name of the faulting macro. 
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Alias of the faulting macro. 
+        /// </summary>
+        public string Alias { get; set; }
+
+        /// <summary>
+        /// Filename, file path, fully qualified class name, or other key used by the macro engine to do it's processing of the faulting macro.
+        /// </summary>
+        public string ItemKey { get; set; }
+
+        /// <summary>
+        /// Exception raised.
+        /// </summary>
+        public Exception Exception { get; set; }
+
+        /// <summary>
+        /// Gets or sets the desired behaviour when a matching macro causes an error. See
+        /// <see cref="MacroErrorBehaviour"/> for definitions. By setting this in your event
+        /// you can override the default behaviour defined in UmbracoSettings.config.
+        /// </summary>
+        /// <value>Macro error behaviour enum.</value>
+        public MacroErrorBehaviour Behaviour { get; set; }
+    }
+}
@@ -1,3 +1,5 @@
+using Umbraco.Core.Models;
+
 namespace Umbraco.Core.Events
 {
 	public class NewEventArgs<TEntity> : CancellableObjectEventArgs<TEntity>
@@ -8,12 +10,26 @@ namespace Umbraco.Core.Events
 			ParentId = parentId;
 		}

+        public NewEventArgs(TEntity eventObject, bool canCancel, string @alias, TEntity parent)
+            : base(eventObject, canCancel)
+        {
+            Alias = alias;
+            Parent = parent;
+        }
+
 		public NewEventArgs(TEntity eventObject, string @alias, int parentId) : base(eventObject)
 		{
 			Alias = alias;
 			ParentId = parentId;
 		}

+        public NewEventArgs(TEntity eventObject, string @alias, TEntity parent)
+            : base(eventObject)
+        {
+            Alias = alias;
+            Parent = parent;
+        }
+
 		/// <summary>
 		/// The entity being created
 		/// </summary>
@@ -31,5 +47,10 @@ namespace Umbraco.Core.Events
 		/// Gets or Sets the Id of the parent.
 		/// </summary>
 		public int ParentId { get; private set; }
+
+        /// <summary>
+        /// Gets or Sets the parent IContent object.
+        /// </summary>
+        public TEntity Parent { get; private set; }
 	}
 }
@@ -1,9 +1,8 @@
-using Umbraco.Core;
 using umbraco.interfaces;

-namespace Umbraco.Web
+namespace Umbraco.Core
 {
-	/// <summary>
+    /// <summary>
 	/// Custom IApplicationStartupHandler that auto subscribes to the applications events
 	/// </summary>
 	public interface IApplicationEventHandler : IApplicationStartupHandler
@@ -11,23 +10,23 @@ namespace Umbraco.Web
 		/// <summary>
 		/// ApplicationContext is created and other static objects that require initialization have been setup
 		/// </summary>
-		/// <param name="httpApplication"></param>
+		/// <param name="umbracoApplication"></param>
 		/// <param name="applicationContext"></param>
-		void OnApplicationInitialized(UmbracoApplication httpApplication, ApplicationContext applicationContext);
+		void OnApplicationInitialized(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext);
 		
 		/// <summary>
 		/// All resolvers have been initialized but resolution is not frozen so they can be modified in this method
 		/// </summary>
-		/// <param name="httpApplication"></param>
+        /// <param name="umbracoApplication"></param>
 		/// <param name="applicationContext"></param>
-		void OnApplicationStarting(UmbracoApplication httpApplication, ApplicationContext applicationContext);
+        void OnApplicationStarting(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext);
 		
 		/// <summary>
 		/// Bootup is completed, this allows you to perform any other bootup logic required for the application.
 		/// Resolution is frozen so now they can be used to resolve instances.
 		/// </summary>
-		/// <param name="httpApplication"></param>
+        /// <param name="umbracoApplication"></param>
 		/// <param name="applicationContext"></param>
-		void OnApplicationStarted(UmbracoApplication httpApplication, ApplicationContext applicationContext);
+        void OnApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext);
 	}
 }
@@ -8,6 +8,7 @@ using System.IO;
 using System.Configuration;
 using System.Web;
 using System.Text.RegularExpressions;
+using System.Xml;
 using Umbraco.Core.Configuration;
 using Umbraco.Core.Logging;

@@ -136,25 +137,42 @@ namespace Umbraco.Core.IO
        }

        /// <summary>
-        /// Validates if the current filepath matches a directory where the user is allowed to edit a file
+        /// Verifies that the current filepath matches a directory where the user is allowed to edit a file.
        /// </summary>
-        /// <param name="filePath">filepath </param>
-        /// <param name="validDir"></param>
-        /// <returns>true if valid, throws a FileSecurityException if not</returns>
-        internal static bool ValidateEditPath(string filePath, string validDir)
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validDir">The valid directory.</param>
+        /// <returns>A value indicating whether the filepath is valid.</returns>
+        internal static bool VerifyEditPath(string filePath, string validDir)
        {
            if (!filePath.StartsWith(MapPath(SystemDirectories.Root)))
                filePath = MapPath(filePath);
            if (!validDir.StartsWith(MapPath(SystemDirectories.Root)))
                validDir = MapPath(validDir);

-            if (!filePath.StartsWith(validDir))
-                throw new FileSecurityException(String.Format("The filepath '{0}' is not within an allowed directory for this type of files", filePath.Replace(MapPath(SystemDirectories.Root), "")));
+            return filePath.StartsWith(validDir);
+        }

+        /// <summary>
+        /// Validates that the current filepath matches a directory where the user is allowed to edit a file.
+        /// </summary>
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validDir">The valid directory.</param>
+        /// <returns>True, if the filepath is valid, else an exception is thrown.</returns>
+        /// <exception cref="FileSecurityException">The filepath is invalid.</exception>
+        internal static bool ValidateEditPath(string filePath, string validDir)
+        {
+            if (!VerifyEditPath(filePath, validDir))
+                throw new FileSecurityException(String.Format("The filepath '{0}' is not within an allowed directory for this type of files", filePath.Replace(MapPath(SystemDirectories.Root), "")));
            return true;
        }

-        internal static bool ValidateEditPath(string filePath, IEnumerable<string> validDirs)
+        /// <summary>
+        /// Verifies that the current filepath matches one of several directories where the user is allowed to edit a file.
+        /// </summary>
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validDirs">The valid directories.</param>
+        /// <returns>A value indicating whether the filepath is valid.</returns>
+        internal static bool VerifyEditPath(string filePath, IEnumerable<string> validDirs)
        {
            foreach (var dir in validDirs)
            {
@@ -168,19 +186,49 @@ namespace Umbraco.Core.IO
                    return true;
            }

-           throw new FileSecurityException(String.Format("The filepath '{0}' is not within an allowed directory for this type of files", filePath.Replace(MapPath(SystemDirectories.Root), "")));
+            return false;
        }

-        internal static bool ValidateFileExtension(string filePath, List<string> validFileExtensions)
+        /// <summary>
+        /// Validates that the current filepath matches one of several directories where the user is allowed to edit a file.
+        /// </summary>
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validDirs">The valid directories.</param>
+        /// <returns>True, if the filepath is valid, else an exception is thrown.</returns>
+        /// <exception cref="FileSecurityException">The filepath is invalid.</exception>
+        internal static bool ValidateEditPath(string filePath, IEnumerable<string> validDirs)
+        {
+            if (!VerifyEditPath(filePath, validDirs))
+           throw new FileSecurityException(String.Format("The filepath '{0}' is not within an allowed directory for this type of files", filePath.Replace(MapPath(SystemDirectories.Root), "")));
+            return true;
+        }
+
+        /// <summary>
+        /// Verifies that the current filepath has one of several authorized extensions.
+        /// </summary>
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validFileExtensions">The valid extensions.</param>
+        /// <returns>A value indicating whether the filepath is valid.</returns>
+        internal static bool VerifyFileExtension(string filePath, List<string> validFileExtensions)
        {
            if (!filePath.StartsWith(MapPath(SystemDirectories.Root)))
                filePath = MapPath(filePath);
            var f = new FileInfo(filePath);
+            
+            return validFileExtensions.Contains(f.Extension.Substring(1));
+        }

-
-            if (!validFileExtensions.Contains(f.Extension.Substring(1)))
+        /// <summary>
+        /// Validates that the current filepath has one of several authorized extensions.
+        /// </summary>
+        /// <param name="filePath">The filepath to validate.</param>
+        /// <param name="validFileExtensions">The valid extensions.</param>
+        /// <returns>True, if the filepath is valid, else an exception is thrown.</returns>
+        /// <exception cref="FileSecurityException">The filepath is invalid.</exception>
+        internal static bool ValidateFileExtension(string filePath, List<string> validFileExtensions)
+        {
+            if (!VerifyFileExtension(filePath, validFileExtensions))
                throw new FileSecurityException(String.Format("The extension for the current file '{0}' is not of an allowed type for this editor. This is typically controlled from either the installed MacroEngines or based on configuration in /config/umbracoSettings.config", filePath.Replace(MapPath(SystemDirectories.Root), "")));
-
            return true;
        }

@@ -215,41 +263,8 @@ namespace Umbraco.Core.IO
        /// <returns>A safe filename without any path specific chars.</returns>
        internal static string SafeFileName(string filePath)
        {
-            if (String.IsNullOrEmpty(filePath))
-                return String.Empty;
-
-            if (!String.IsNullOrWhiteSpace(filePath))
-            {
-                foreach (var character in Path.GetInvalidFileNameChars())
-                {
-                    filePath = filePath.Replace(character, '-');
-                }
-            }
-            else
-            {
-                filePath = String.Empty;
-            }
-
-            // Adapted from: http://stackoverflow.com/a/4827510/5018
-            // Combined both Reserved Characters and Character Data 
-            // from http://en.wikipedia.org/wiki/Percent-encoding
-            var stringBuilder = new StringBuilder();
-
-            const string reservedCharacters = "!*'();:@&=+$,/?%#[]-~{}\"<>\\^`| ";
-
-            foreach (var character in filePath)
-            {
-                if (reservedCharacters.IndexOf(character) == -1)
-                    stringBuilder.Append(character);
-                else
-                    stringBuilder.Append("-");
-            }
-
-            // Remove repeating dashes
-            // From: http://stackoverflow.com/questions/5111967/regex-to-remove-a-specific-repeated-character
-            var reducedString = Regex.Replace(stringBuilder.ToString(), "-+", "-");
-
-            return reducedString;
+            // use string extensions
+            return filePath.ToSafeFileName();
        }
    }
 }
@@ -1,8 +1,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
-using Umbraco.Core.CodeAnnotations;
 using Umbraco.Core.Configuration;

 namespace Umbraco.Core.IO
@@ -27,6 +25,15 @@ namespace Umbraco.Core.IO
 			return propertyId.ToString() + seperator + fileName;
 		}

+        public string GetRelativePath(string subfolder, string fileName)
+        {
+            var seperator = UmbracoSettings.UploadAllowDirectories
+                ? Path.DirectorySeparatorChar
+                : '-';
+
+            return subfolder + seperator + fileName;
+        }
+
 		public IEnumerable<string> GetThumbnails(string path)
 		{
 			var parentDirectory = System.IO.Path.GetDirectoryName(path);
@@ -183,16 +183,26 @@ namespace Umbraco.Core.IO
            }
        }

+	    private static string _root;
+        /// <summary>
+        /// Gets the root path of the application
+        /// </summary>
        public static string Root
        {
            get
            {
-                string appPath = HttpRuntime.AppDomainAppVirtualPath ?? string.Empty;
-                if (appPath == "/")
-                    appPath = string.Empty;
+                if (_root == null)
+                {
+                    string appPath = HttpRuntime.AppDomainAppVirtualPath ?? string.Empty;
+                    if (appPath == "/")
+                        appPath = string.Empty;

-                return appPath;
+                    _root = appPath;    
+                }
+                return _root;
            }
+            //Only required for unit tests
+            internal set { _root = value; }
        }
    }

@@ -0,0 +1,24 @@
+namespace Umbraco.Core
+{
+    public enum IconPickerBehaviour
+    {
+        /// <summary>
+        /// Default umbraco behavior - show duplicates in files and sprites
+        /// </summary>
+        ShowDuplicates,
+
+        /// <summary>
+        /// If a file exists on disk with the same name as one in the sprite
+        /// then the file on disk overrules the one in the sprite, the 
+        /// sprite icon will not be shown
+        /// </summary>
+        HideSpriteDuplicates,
+
+        /// <summary>
+        /// If a file exists on disk with the same name as one in the sprite
+        /// then the file in the sprite overrules the one on disk, the file
+        /// on disk will be shown
+        /// </summary>
+        HideFileDuplicates
+    }
+}
@@ -64,23 +64,28 @@ namespace Umbraco.Core.Logging
 			{
 				_forceStop = true;
 				var windowsIdentity = WindowsIdentity.GetCurrent();
-				base.Append(new LoggingEvent(new LoggingEventData
-					{
-						Level = Level.Error,
-						Message =
-							"Unable to clear out the AsynchronousRollingFileAppender buffer in the allotted time, forcing a shutdown",
-						TimeStamp = DateTime.UtcNow,
-						Identity = "",
-						ExceptionString = "",
-						UserName = windowsIdentity != null ? windowsIdentity.Name : "",
-						Domain = AppDomain.CurrentDomain.FriendlyName,
-						ThreadName = Thread.CurrentThread.ManagedThreadId.ToString(),
-						LocationInfo =
-							new LocationInfo(this.GetType().Name, "OnClose", "AsynchronousRollingFileAppender.cs", "59"),
-						LoggerName = this.GetType().FullName,
-						Properties = new PropertiesDictionary(),
-					})
-					);
+
+			    var logEvent = new LoggingEvent(new LoggingEventData
+			        {
+			            Level = global::log4net.Core.Level.Error,
+			            Message =
+			                "Unable to clear out the AsynchronousRollingFileAppender buffer in the allotted time, forcing a shutdown",
+			            TimeStamp = DateTime.UtcNow,
+			            Identity = "",
+			            ExceptionString = "",
+			            UserName = windowsIdentity != null ? windowsIdentity.Name : "",
+			            Domain = AppDomain.CurrentDomain.FriendlyName,
+			            ThreadName = Thread.CurrentThread.ManagedThreadId.ToString(),
+			            LocationInfo =
+			                new LocationInfo(this.GetType().Name, "OnClose", "AsynchronousRollingFileAppender.cs", "59"),
+			            LoggerName = this.GetType().FullName,
+			            Properties = new PropertiesDictionary(),
+			        });
+
+			    if (this.DateTimeStrategy != null)
+			    {
+                    base.Append(logEvent);
+			    }			    
 			}

 			base.OnClose();
@@ -0,0 +1,23 @@
+namespace Umbraco.Core
+{
+    public enum MacroErrorBehaviour
+    {
+        /// <summary>
+        /// Default umbraco behavior - show an inline error within the
+        /// macro but allow the page to continue rendering.
+        /// </summary>
+        Inline,
+
+        /// <summary>
+        /// Silently eat the error and do not display the offending macro.
+        /// </summary>
+        Silent,
+
+        /// <summary>
+        /// Throw an exception which can be caught by the global error handler
+        /// defined in Application_OnError. If no such error handler is defined
+        /// then you'll see the Yellow Screen Of Death (YSOD) error page.
+        /// </summary>
+        Throw
+    }
+}
@@ -1,11 +1,13 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Web;
 using System.Web.UI;
-using Umbraco.Core.Macros;
+using System.Linq;
+using Umbraco.Core.ObjectResolution;
 using umbraco.interfaces;

-namespace Umbraco.Core.ObjectResolution
+namespace Umbraco.Core.Macros
 {
 	/// <summary>
 	/// A resolver to return all IMacroGuiRendering objects
@@ -14,18 +16,16 @@ namespace Umbraco.Core.ObjectResolution
 	/// Much of this classes methods are based on legacy code from umbraco.editorControls.macrocontainer.MacroControlFactory
 	/// this code should probably be reviewed and cleaned up if necessary.
 	/// </remarks>
-	internal sealed class MacroFieldEditorsResolver : ManyObjectsResolverBase<MacroFieldEditorsResolver, IMacroGuiRendering>
+	internal sealed class MacroFieldEditorsResolver : LazyManyObjectsResolverBase<MacroFieldEditorsResolver, IMacroGuiRendering>
 	{

 		/// <summary>
 		/// Constructor
 		/// </summary>
 		/// <param name="macroEditors"></param>		
-		internal MacroFieldEditorsResolver(IEnumerable<Type> macroEditors)
+		internal MacroFieldEditorsResolver(Func<IEnumerable<Type>> macroEditors)
 			: base(macroEditors, ObjectLifetimeScope.Transient)
-		{
-
-		}
+		{ }

 		/// <summary>
 		/// Gets the <see cref="IMacroGuiRendering"/> implementations.
@@ -56,7 +56,7 @@ namespace Umbraco.Core.ObjectResolution
 		/// </remarks>
 		internal List<Type> MacroControlTypes
 		{
-			get { return InstanceTypes; }
+			get { return InstanceTypes.ToList(); }
 		}

 		/// <summary>
@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using Umbraco.Core.IO;
+
+namespace Umbraco.Core.Media
+{
+    /// <summary>
+    /// Internal singleton to handle the numbering of subfolders within the Media-folder.
+    /// When this class is initiated it will look for numbered subfolders and select the highest number,
+    /// which will be the start point for the naming of the next subfolders. If no subfolders exists
+    /// then the starting point will be 1000, ie. /media/1000/koala.jpg
+    /// </summary>
+    internal class MediaSubfolderCounter
+    {
+        #region Singleton
+
+        private long _numberedFolder = 1000;//Default starting point
+        private static readonly ReaderWriterLockSlim ClearLock = new ReaderWriterLockSlim();
+        private static readonly Lazy<MediaSubfolderCounter> Lazy = new Lazy<MediaSubfolderCounter>(() => new MediaSubfolderCounter());
+
+        public static MediaSubfolderCounter Current { get { return Lazy.Value; } }
+
+        private MediaSubfolderCounter()
+        {
+            var folders = new List<long>();
+            var fs = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
+            var directories = fs.GetDirectories("");
+            foreach (var directory in directories)
+            {
+                long dirNum;
+                if (long.TryParse(directory, out dirNum))
+                {
+                    folders.Add(dirNum);
+                }
+            }
+            var last = folders.OrderBy(x => x).LastOrDefault();
+            if(last != default(long))
+                _numberedFolder = last;
+        }
+
+        #endregion
+
+        /// <summary>
+        /// Returns an increment of the numbered media subfolders.
+        /// </summary>
+        /// <returns>A <see cref="System.Int64"/> value</returns>
+        public long Increment()
+        {
+            using (new ReadLock(ClearLock))
+            {
+                _numberedFolder = _numberedFolder + 1;
+                return _numberedFolder;
+            }
+        }
+    }
+}
@@ -1,7 +1,9 @@
 using System;
+using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.Serialization;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -101,8 +103,11 @@ namespace Umbraco.Core.Models
            }
            set
            {
-                _template = value;
-                OnPropertyChanged(TemplateSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _template = value;
+                    return _template;
+                }, _template, TemplateSelector);
            }
        }

@@ -140,8 +145,11 @@ namespace Umbraco.Core.Models
            get { return _published; }
            internal set
            {
-                _published = value;
-                OnPropertyChanged(PublishedSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _published = value;
+                    return _published;
+                }, _published, PublishedSelector);
            }
        }

@@ -157,8 +165,11 @@ namespace Umbraco.Core.Models
            get { return _language; }
            set
            {
-                _language = value;
-                OnPropertyChanged(LanguageSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _language = value;
+                    return _language;
+                }, _language, LanguageSelector);
            }
        }

@@ -171,8 +182,11 @@ namespace Umbraco.Core.Models
            get { return _releaseDate; }
            set
            {
-                _releaseDate = value;
-                OnPropertyChanged(ReleaseDateSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _releaseDate = value;
+                    return _releaseDate;
+                }, _releaseDate, ReleaseDateSelector);
            }
        }

@@ -185,8 +199,11 @@ namespace Umbraco.Core.Models
            get { return _expireDate; }
            set
            {
-                _expireDate = value;
-                OnPropertyChanged(ExpireDateSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _expireDate = value;
+                    return _expireDate;
+                }, _expireDate, ExpireDateSelector);
            }
        }

@@ -199,8 +216,11 @@ namespace Umbraco.Core.Models
            get { return _writer; }
            set
            {
-                _writer = value;
-                OnPropertyChanged(WriterSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _writer = value;
+                    return _writer;
+                }, _writer, WriterSelector);
            }
        }

@@ -215,8 +235,11 @@ namespace Umbraco.Core.Models
            get { return _nodeName; }
            set
            {
-                _nodeName = value;
-                OnPropertyChanged(NodeNameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _nodeName = value;
+                    return _nodeName;
+                }, _nodeName, NodeNameSelector);
            }
        }

@@ -280,19 +303,10 @@ namespace Umbraco.Core.Models
        /// </summary>
        /// <param name="isTrashed">Boolean indicating whether content is trashed (true) or not trashed (false)</param>
        /// <param name="parentId"> </param>
-        public override void ChangeTrashedState(bool isTrashed, int parentId = -1)
+        public override void ChangeTrashedState(bool isTrashed, int parentId = -20)
        {
            Trashed = isTrashed;
-
-            //If Content is trashed the parent id should be set to that of the RecycleBin
-            if(isTrashed)
-            {
-                ParentId = -20;
-            }
-            else//otherwise set the parent id to the optional parameter, -1 being the fallback
-            {
-                ParentId = parentId;
-            }
+            ParentId = parentId;

            //If the content is trashed and is published it should be marked as unpublished
            if (isTrashed && Published)
@@ -312,6 +326,12 @@ namespace Umbraco.Core.Models
            clone.Version = Guid.NewGuid();
            clone.ResetIdentity();

+            foreach (var property in clone.Properties)
+            {
+                property.ResetIdentity();
+                property.Version = clone.Version;
+            }
+
            return clone;
        }

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
+using System.Diagnostics;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
@@ -13,6 +14,7 @@ namespace Umbraco.Core.Models
    /// <summary>
    /// Represents an abstract class for base Content properties and methods
    /// </summary>
+    [DebuggerDisplay("Id: {Id}, Name: {Name}, ContentType: {ContentTypeBase.Alias}")]
    public abstract class ContentBase : Entity, IContentBase
    {
        protected IContentTypeComposition ContentTypeBase;
@@ -118,8 +120,11 @@ namespace Umbraco.Core.Models
            get { return _name; }
            set
            {
-                _name = value;
-                OnPropertyChanged(NameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
            }
        }

@@ -132,8 +137,11 @@ namespace Umbraco.Core.Models
            get { return _sortOrder; }
            set
            {
-                _sortOrder = value;
-                OnPropertyChanged(SortOrderSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
            }
        }

@@ -146,8 +154,11 @@ namespace Umbraco.Core.Models
            get { return _level; }
            set
            {
-                _level = value;
-                OnPropertyChanged(LevelSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _level = value;
+                    return _level;
+                }, _level, LevelSelector);
            }
        }

@@ -160,8 +171,11 @@ namespace Umbraco.Core.Models
            get { return _path; }
            set
            {
-                _path = value;
-                OnPropertyChanged(PathSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _path = value;
+                    return _path;
+                }, _path, PathSelector);
            }
        }

@@ -174,8 +188,11 @@ namespace Umbraco.Core.Models
            get { return _creatorId; }
            set
            {
-                _creatorId = value;
-                OnPropertyChanged(CreatorIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _creatorId = value;
+                    return _creatorId;
+                }, _creatorId, CreatorIdSelector);
            }
        }
        
@@ -190,8 +207,11 @@ namespace Umbraco.Core.Models
            get { return _trashed; }
            internal set
            {
-                _trashed = value;
-                OnPropertyChanged(TrashedSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _trashed = value;
+                    return _trashed;
+                }, _trashed, TrashedSelector);
            }
        }

@@ -210,8 +230,11 @@ namespace Umbraco.Core.Models
            get { return _contentTypeId; }
            protected set
            {
-                _contentTypeId = value;
-                OnPropertyChanged(DefaultContentTypeIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _contentTypeId = value;
+                    return _contentTypeId;
+                }, _contentTypeId, DefaultContentTypeIdSelector);
            }
        }

@@ -401,6 +424,6 @@ namespace Umbraco.Core.Models
            return Properties.Any(property => !property.IsValid()) == false;
        }

-        public abstract void ChangeTrashedState(bool isTrashed, int parentId = -1);
+        public abstract void ChangeTrashedState(bool isTrashed, int parentId = -20);
    }
 }
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
@@ -10,7 +11,9 @@ using System.Xml;
 using System.Xml.Linq;
 using Umbraco.Core.Configuration;
 using Umbraco.Core.IO;
+using Umbraco.Core.Media;
 using Umbraco.Core.Models.Membership;
+using Umbraco.Core.Strings;
 using Umbraco.Core.Persistence;
 using Umbraco.Core.Persistence.UnitOfWork;

@@ -18,6 +21,90 @@ namespace Umbraco.Core.Models
 {
    public static class ContentExtensions
    {
+        #region IContent
+        /// <summary>
+        /// Returns a list of the current contents ancestors, not including the content itself.
+        /// </summary>
+        /// <param name="content">Current content</param>
+        /// <returns>An enumerable list of <see cref="IContent"/> objects</returns>
+        public static IEnumerable<IContent> Ancestors(this IContent content)
+        {
+            return ApplicationContext.Current.Services.ContentService.GetAncestors(content);
+        }
+
+        /// <summary>
+        /// Returns a list of the current contents children.
+        /// </summary>
+        /// <param name="content">Current content</param>
+        /// <returns>An enumerable list of <see cref="IContent"/> objects</returns>
+        public static IEnumerable<IContent> Children(this IContent content)
+        {
+            return ApplicationContext.Current.Services.ContentService.GetChildren(content.Id);
+        }
+
+        /// <summary>
+        /// Returns a list of the current contents descendants, not including the content itself.
+        /// </summary>
+        /// <param name="content">Current content</param>
+        /// <returns>An enumerable list of <see cref="IContent"/> objects</returns>
+        public static IEnumerable<IContent> Descendants(this IContent content)
+        {
+            return ApplicationContext.Current.Services.ContentService.GetDescendants(content);
+        }
+
+        /// <summary>
+        /// Returns the parent of the current content.
+        /// </summary>
+        /// <param name="content">Current content</param>
+        /// <returns>An <see cref="IContent"/> object</returns>
+        public static IContent Parent(this IContent content)
+        {
+            return ApplicationContext.Current.Services.ContentService.GetById(content.ParentId);
+        }
+        #endregion
+
+        #region IMedia
+        /// <summary>
+        /// Returns a list of the current medias ancestors, not including the media itself.
+        /// </summary>
+        /// <param name="media">Current media</param>
+        /// <returns>An enumerable list of <see cref="IMedia"/> objects</returns>
+        public static IEnumerable<IMedia> Ancestors(this IMedia media)
+        {
+            return ApplicationContext.Current.Services.MediaService.GetAncestors(media);
+        }
+
+        /// <summary>
+        /// Returns a list of the current medias children.
+        /// </summary>
+        /// <param name="media">Current media</param>
+        /// <returns>An enumerable list of <see cref="IMedia"/> objects</returns>
+        public static IEnumerable<IMedia> Children(this IMedia media)
+        {
+            return ApplicationContext.Current.Services.MediaService.GetChildren(media.Id);
+        }
+
+        /// <summary>
+        /// Returns a list of the current medias descendants, not including the media itself.
+        /// </summary>
+        /// <param name="media">Current media</param>
+        /// <returns>An enumerable list of <see cref="IMedia"/> objects</returns>
+        public static IEnumerable<IMedia> Descendants(this IMedia media)
+        {
+            return ApplicationContext.Current.Services.MediaService.GetDescendants(media);
+        }
+
+        /// <summary>
+        /// Returns the parent of the current media.
+        /// </summary>
+        /// <param name="media">Current media</param>
+        /// <returns>An <see cref="IMedia"/> object</returns>
+        public static IMedia Parent(this IMedia media)
+        {
+            return ApplicationContext.Current.Services.MediaService.GetById(media.ParentId);
+        }
+        #endregion
+
        /// <summary>
        /// Set property values by alias with an annonymous object
        /// </summary>
@@ -54,68 +141,25 @@ namespace Umbraco.Core.Models
            }
        }

-        /*
        /// <summary>
        /// Sets and uploads the file from a HttpPostedFileBase object as the property value
        /// </summary>
-        /// <param name="media"><see cref="IMedia"/> to add property value to</param>
-        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
-        /// <param name="value">The <see cref="HttpPostedFileBase"/> containing the file that will be uploaded</param>
-        public static void SetPropertyValue(this IMedia media, string propertyTypeAlias, HttpPostedFileBase value)
-        {
-            var name =
-                IOHelper.SafeFileName(
-                    value.FileName.Substring(value.FileName.LastIndexOf(IOHelper.DirSepChar) + 1,
-                                             value.FileName.Length - value.FileName.LastIndexOf(IOHelper.DirSepChar) - 1)
-                         .ToLower());
-
-            if(string.IsNullOrEmpty(name) == false)
-                SetFileOnContent(media, propertyTypeAlias, name, value.InputStream);
-        }
-
-        /// <summary>
-        /// Sets and uploads the file from a HttpPostedFile object as the property value
-        /// </summary>
-        /// <param name="media"><see cref="IMedia"/> to add property value to</param>
-        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
-        /// <param name="value">The <see cref="HttpPostedFile"/> containing the file that will be uploaded</param>
-        public static void SetPropertyValue(this IMedia media, string propertyTypeAlias, HttpPostedFile value)
-        {
-            var name =
-                IOHelper.SafeFileName(
-                    value.FileName.Substring(value.FileName.LastIndexOf(IOHelper.DirSepChar) + 1,
-                                            value.FileName.Length - value.FileName.LastIndexOf(IOHelper.DirSepChar) - 1)
-                        .ToLower());
-
-            if (string.IsNullOrEmpty(name) == false)
-                SetFileOnContent(media, propertyTypeAlias, name, value.InputStream);
-        }
-
-        /// <summary>
-        /// Sets and uploads the file from a HttpPostedFileWrapper object as the property value
-        /// </summary>
-        /// <param name="media"><see cref="IMedia"/> to add property value to</param>
-        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
-        /// <param name="value">The <see cref="HttpPostedFileWrapper"/> containing the file that will be uploaded</param>
-        public static void SetPropertyValue(this IMedia media, string propertyTypeAlias, HttpPostedFileWrapper value)
-        {
-            if (string.IsNullOrEmpty(value.FileName) == false)
-                SetFileOnContent(media, propertyTypeAlias, value.FileName, value.InputStream);
-        }
-        */
-        /// <summary>
-        /// Sets and uploads the file from a HttpPostedFileBase object as the property value
-        /// </summary>
-        /// <param name="content"><see cref="IContent"/> to add property value to</param>
+        /// <param name="content"><see cref="IContentBase"/> to add property value to</param>
        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
        /// <param name="value">The <see cref="HttpPostedFileBase"/> containing the file that will be uploaded</param>
        public static void SetValue(this IContentBase content, string propertyTypeAlias, HttpPostedFileBase value)
        {
+            // Ensure we get the filename without the path in IE in intranet mode 
+            // http://stackoverflow.com/questions/382464/httppostedfile-filename-different-from-ie
+            var fileName = value.FileName;
+            if (fileName.LastIndexOf(@"\") > 0)
+                fileName = fileName.Substring(fileName.LastIndexOf(@"\") + 1);
+
            var name =
                IOHelper.SafeFileName(
-                    value.FileName.Substring(value.FileName.LastIndexOf(IOHelper.DirSepChar) + 1,
-                                             value.FileName.Length - value.FileName.LastIndexOf(IOHelper.DirSepChar) - 1)
-                         .ToLower());
+                    fileName.Substring(fileName.LastIndexOf(IOHelper.DirSepChar) + 1,
+                                       fileName.Length - fileName.LastIndexOf(IOHelper.DirSepChar) - 1)
+                            .ToLower());

            if (string.IsNullOrEmpty(name) == false)
                SetFileOnContent(content, propertyTypeAlias, name, value.InputStream);
@@ -124,16 +168,22 @@ namespace Umbraco.Core.Models
        /// <summary>
        /// Sets and uploads the file from a HttpPostedFile object as the property value
        /// </summary>
-        /// <param name="content"><see cref="IContent"/> to add property value to</param>
+        /// <param name="content"><see cref="IContentBase"/> to add property value to</param>
        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
        /// <param name="value">The <see cref="HttpPostedFile"/> containing the file that will be uploaded</param>
        public static void SetValue(this IContentBase content, string propertyTypeAlias, HttpPostedFile value)
        {
+            // Ensure we get the filename without the path in IE in intranet mode 
+            // http://stackoverflow.com/questions/382464/httppostedfile-filename-different-from-ie
+            var fileName = value.FileName;
+            if (fileName.LastIndexOf(@"\") > 0)
+                fileName = fileName.Substring(fileName.LastIndexOf(@"\") + 1);
+
            var name =
                IOHelper.SafeFileName(
-                    value.FileName.Substring(value.FileName.LastIndexOf(IOHelper.DirSepChar) + 1,
-                                            value.FileName.Length - value.FileName.LastIndexOf(IOHelper.DirSepChar) - 1)
-                        .ToLower());
+                    fileName.Substring(fileName.LastIndexOf(IOHelper.DirSepChar) + 1,
+                                       fileName.Length - fileName.LastIndexOf(IOHelper.DirSepChar) - 1)
+                            .ToLower());

            if (string.IsNullOrEmpty(name) == false)
                SetFileOnContent(content, propertyTypeAlias, name, value.InputStream);
@@ -142,26 +192,52 @@ namespace Umbraco.Core.Models
        /// <summary>
        /// Sets and uploads the file from a HttpPostedFileWrapper object as the property value
        /// </summary>
-        /// <param name="content"><see cref="IContent"/> to add property value to</param>
+        /// <param name="content"><see cref="IContentBase"/> to add property value to</param>
        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
        /// <param name="value">The <see cref="HttpPostedFileWrapper"/> containing the file that will be uploaded</param>
        public static void SetValue(this IContentBase content, string propertyTypeAlias, HttpPostedFileWrapper value)
        {
-            if (string.IsNullOrEmpty(value.FileName) == false)
-                SetFileOnContent(content, propertyTypeAlias, value.FileName, value.InputStream);
+            // Ensure we get the filename without the path in IE in intranet mode 
+            // http://stackoverflow.com/questions/382464/httppostedfile-filename-different-from-ie
+            var fileName = value.FileName;
+            if (fileName.LastIndexOf(@"\") > 0)
+                fileName = fileName.Substring(fileName.LastIndexOf(@"\") + 1);
+
+            var name = IOHelper.SafeFileName(fileName);
+
+            if (string.IsNullOrEmpty(name) == false)
+                SetFileOnContent(content, propertyTypeAlias, name, value.InputStream);
+        }
+
+        /// <summary>
+        /// Sets and uploads the file from a <see cref="Stream"/> as the property value
+        /// </summary>
+        /// <param name="content"><see cref="IContentBase"/> to add property value to</param>
+        /// <param name="propertyTypeAlias">Alias of the property to save the value on</param>
+        /// <param name="fileName">Name of the file</param>
+        /// <param name="fileStream"><see cref="Stream"/> to save to disk</param>
+        public static void SetValue(this IContentBase content, string propertyTypeAlias, string fileName,
+                                    Stream fileStream)
+        {
+            var name = IOHelper.SafeFileName(fileName);
+
+            if (string.IsNullOrEmpty(name) == false && fileStream != null)
+                SetFileOnContent(content, propertyTypeAlias, name, fileStream);
        }

        private static void SetFileOnContent(IContentBase content, string propertyTypeAlias, string name, Stream fileStream)
        {
            var property = content.Properties.FirstOrDefault(x => x.Alias == propertyTypeAlias);
-            if(property == null)
+            if (property == null)
                return;

            bool supportsResizing = false;
+            var numberedFolder = MediaSubfolderCounter.Current.Increment();
            string fileName = UmbracoSettings.UploadAllowDirectories
-                                              ? Path.Combine(property.Id.ToString(), name)
-                                              : property.Id + "-" + name;
-            string extension = Path.GetExtension(name);
+                                              ? Path.Combine(numberedFolder.ToString(CultureInfo.InvariantCulture), name)
+                                              : numberedFolder + "-" + name;
+
+            string extension = Path.GetExtension(name).Substring(1).ToLowerInvariant();

            var fs = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
            fs.AddFile(fileName, fileStream);
@@ -175,7 +251,7 @@ namespace Umbraco.Core.Models
                var thumbUrl = Resize(fs, fileName, extension, 100, "thumb");

                //Look up Prevalues for this upload datatype - if it is an upload datatype
-                var uploadFieldId = new Guid("5032a6e6-69e3-491d-bb28-cd31cd11086c");
+                var uploadFieldId = new Guid(Constants.PropertyEditors.UploadField);
                if (property.PropertyType.DataTypeId == uploadFieldId)
                {
                    //Get Prevalues by the DataType's Id: property.PropertyType.DataTypeId
@@ -204,7 +280,7 @@ namespace Umbraco.Core.Models
                XmlNode uploadFieldConfigNode =
                    UmbracoSettings.ImageAutoFillImageProperties.SelectSingleNode(
                        string.Format("uploadField [@alias = \"{0}\"]", propertyTypeAlias));
-                
+
                if (uploadFieldConfigNode != null)
                {
                    //Only add dimensions to web images
@@ -231,12 +307,12 @@ namespace Umbraco.Core.Models
        private static void SetPropertyValue(IContentBase content, XmlNode uploadFieldConfigNode, string propertyAlias, string propertyValue)
        {
            XmlNode propertyNode = uploadFieldConfigNode.SelectSingleNode(propertyAlias);
-            if (propertyNode != null && string.IsNullOrEmpty(propertyNode.FirstChild.Value) == false)
+            if (propertyNode != null && string.IsNullOrEmpty(propertyNode.FirstChild.Value) == false && content.HasProperty(propertyNode.FirstChild.Value))
            {
                content.SetValue(propertyNode.FirstChild.Value, propertyValue);
            }
        }
-        
+
        private static string Resize(MediaFileSystem fileSystem, string path, string extension, int maxWidthHeight, string fileNameAddition)
        {
            var fileNameThumb = DoResize(fileSystem, path, extension, GetDimensions(fileSystem, path).Item1, GetDimensions(fileSystem, path).Item2, maxWidthHeight, fileNameAddition);
@@ -347,16 +423,20 @@ namespace Umbraco.Core.Models
            return new Tuple<int, int, string>(widthTh, heightTh, newFileName);
        }

+		/// <summary>
+		/// Gets the <see cref="IProfile"/> for the Creator of this media item.
+		/// </summary>
+		public static IProfile GetCreatorProfile(this IMedia media)
+		{
+            return ApplicationContext.Current.Services.UserService.GetProfileById(media.CreatorId);
+        }
+
        /// <summary>
-        /// Gets the <see cref="IProfile"/> for the Creator of this content.
+        /// Gets the <see cref="IProfile"/> for the Creator of this content item.
        /// </summary>
-        public static IProfile GetCreatorProfile(this IContent content)
+        public static IProfile GetCreatorProfile(this IContentBase content)
        {
-			using (var repository = RepositoryResolver.Current.Factory.CreateUserRepository(
-				PetaPocoUnitOfWorkProvider.CreateUnitOfWork()))
-			{
-				return repository.GetProfileById(content.CreatorId);
-			}
+            return ApplicationContext.Current.Services.UserService.GetProfileById(content.CreatorId);
        }

        /// <summary>
@@ -364,11 +444,7 @@ namespace Umbraco.Core.Models
        /// </summary>
        public static IProfile GetWriterProfile(this IContent content)
        {
-			using(var repository = RepositoryResolver.Current.Factory.CreateUserRepository(
-				PetaPocoUnitOfWorkProvider.CreateUnitOfWork()))
-			{
-				return repository.GetProfileById(content.WriterId);	
-			}
+            return ApplicationContext.Current.Services.UserService.GetProfileById(content.WriterId);
        }

        /// <summary>
@@ -384,6 +460,47 @@ namespace Umbraco.Core.Models
            return ApplicationContext.Current.Services.ContentService.HasPublishedVersion(content.Id);
        }

+        /// <summary>
+        /// Creates the full xml representation for the <see cref="IContent"/> object and all of it's descendants
+        /// </summary>
+        /// <param name="content"><see cref="IContent"/> to generate xml for</param>
+        /// <returns>Xml representation of the passed in <see cref="IContent"/></returns>
+        internal static XElement ToDeepXml(this IContent content)
+        {
+            var xml = content.ToXml();
+            
+            var descendants = content.Descendants().ToArray();
+            var currentChildren = descendants.Where(x => x.ParentId == content.Id);
+            AddChildXml(descendants, currentChildren, xml);      
+
+            return xml;
+        }
+
+        /// <summary>
+        /// Used by ToDeepXml to recursively add children
+        /// </summary>
+        /// <param name="originalDescendants"></param>
+        /// <param name="currentChildren"></param>
+        /// <param name="currentXml"></param>
+        private static void AddChildXml(
+            IContent[] originalDescendants, 
+            IEnumerable<IContent> currentChildren, 
+            XElement currentXml)
+        {
+            foreach (var child in currentChildren)
+            {
+                //add the child's xml
+                var childXml = child.ToXml();
+                currentXml.Add(childXml);
+                //copy local (out of closure)
+                var c = child;
+                //get this item's children                
+                var children = originalDescendants.Where(x => x.ParentId == c.Id);
+                //recurse and add it's children to the child xml element
+                AddChildXml(originalDescendants, children, childXml);
+            }
+        }
+
        /// <summary>
        /// Creates the xml representation for the <see cref="IContent"/> object
        /// </summary>
@@ -391,43 +508,77 @@ namespace Umbraco.Core.Models
        /// <returns>Xml representation of the passed in <see cref="IContent"/></returns>
        public static XElement ToXml(this IContent content)
        {
-            //nodeName should match Casing.SafeAliasWithForcingCheck(content.ContentType.Alias);
-            //var nodeName = content.ContentType.Alias.ToUmbracoAlias(StringAliasCaseType.CamelCase, true);
-            var nodeName = content.ContentType.Alias;
-            var niceUrl = content.Name.FormatUrl().ToLower();
+			//nodeName should match Casing.SafeAliasWithForcingCheck(content.ContentType.Alias);
+			var nodeName = UmbracoSettings.UseLegacyXmlSchema ? "node" : content.ContentType.Alias.ToSafeAliasWithForcingCheck();

-            var xml = new XElement(nodeName,
-                                   new XAttribute("id", content.Id),
-                                   new XAttribute("parentID", content.Level > 1 ? content.ParentId : -1),
-                                   new XAttribute("level", content.Level),
-                                   new XAttribute("writerID", content.WriterId),
-                                   new XAttribute("creatorID", content.CreatorId),
-                                   new XAttribute("nodeType", content.ContentType.Id),
-                                   new XAttribute("template", content.Template == null ? "0" : content.Template.Id.ToString()),
-                                   new XAttribute("sortOrder", content.SortOrder),
-                                   new XAttribute("createDate", content.CreateDate.ToString("s")),
-                                   new XAttribute("updateDate", content.UpdateDate.ToString("s")),
-                                   new XAttribute("nodeName", content.Name),
-                                   new XAttribute("urlName", niceUrl),//Format Url ?
-                                   new XAttribute("writerName", content.GetWriterProfile().Name),
-                                   new XAttribute("creatorName", content.GetCreatorProfile().Name),
-                                   new XAttribute("path", content.Path),
-                                   new XAttribute("isDoc", ""));
-
-            foreach (var property in content.Properties)
+            var x = content.ToXml(nodeName);
+            x.Add(new XAttribute("nodeType", content.ContentType.Id));
+            x.Add(new XAttribute("creatorName", content.GetCreatorProfile().Name));
+            x.Add(new XAttribute("writerName", content.GetWriterProfile().Name));
+            x.Add(new XAttribute("writerID", content.WriterId));
+            x.Add(new XAttribute("template", content.Template == null ? "0" : content.Template.Id.ToString()));
+            if (UmbracoSettings.UseLegacyXmlSchema)
            {
-                if (property == null) continue;
-
-                xml.Add(property.ToXml());
-
-                //Check for umbracoUrlName convention
-                if (property.Alias == "umbracoUrlName" && property.Value.ToString().Trim() != string.Empty)
-                    xml.SetAttributeValue("urlName", property.Value);
+                x.Add(new XAttribute("nodeTypeAlias", content.ContentType.Alias));
            }

-            return xml;
+            return x;
        }

+        /// <summary>
+        /// Creates the xml representation for the <see cref="IMedia"/> object
+        /// </summary>
+        /// <param name="media"><see cref="IContent"/> to generate xml for</param>
+        /// <returns>Xml representation of the passed in <see cref="IContent"/></returns>
+        public static XElement ToXml(this IMedia media)
+        {
+            //nodeName should match Casing.SafeAliasWithForcingCheck(content.ContentType.Alias);
+            var nodeName = UmbracoSettings.UseLegacyXmlSchema ? "node" : media.ContentType.Alias.ToSafeAliasWithForcingCheck();
+
+            var x = media.ToXml(nodeName);
+            x.Add(new XAttribute("nodeType", media.ContentType.Id));
+            x.Add(new XAttribute("writerName", media.GetCreatorProfile().Name));
+            x.Add(new XAttribute("writerID", media.CreatorId));
+            x.Add(new XAttribute("version", media.Version));
+            x.Add(new XAttribute("template", 0));
+            if (UmbracoSettings.UseLegacyXmlSchema)
+            {
+                x.Add(new XAttribute("nodeTypeAlias", media.ContentType.Alias));
+            }
+
+            return x;
+        }
+
+        /// <summary>
+        /// Creates the xml representation for the <see cref="IContentBase"/> object
+        /// </summary>
+        /// <param name="contentBase"><see cref="IContent"/> to generate xml for</param>
+        /// <param name="nodeName"></param>
+        /// <returns>Xml representation of the passed in <see cref="IContent"/></returns>
+        private static XElement ToXml(this IContentBase contentBase, string nodeName)
+        {
+            // note: that one will take care of umbracoUrlName
+            var url = contentBase.GetUrlSegment();
+
+			var xml = new XElement(nodeName,
+                                   new XAttribute("id", contentBase.Id),
+                                   new XAttribute("parentID", contentBase.Level > 1 ? contentBase.ParentId : -1),
+                                   new XAttribute("level", contentBase.Level),
+                                   new XAttribute("creatorID", contentBase.CreatorId),
+                                   new XAttribute("sortOrder", contentBase.SortOrder),
+                                   new XAttribute("createDate", contentBase.CreateDate.ToString("s")),
+                                   new XAttribute("updateDate", contentBase.UpdateDate.ToString("s")),
+                                   new XAttribute("nodeName", contentBase.Name),
+                                   new XAttribute("urlName", url),
+                                   new XAttribute("path", contentBase.Path),
+                                   new XAttribute("isDoc", ""));
+
+            foreach (var property in contentBase.Properties.Where(p => p != null))
+				xml.Add(property.ToXml());
+
+			return xml;
+		}
+
        /// <summary>
        /// Creates the xml representation for the <see cref="IContent"/> object
        /// </summary>
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.Serialization;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -47,8 +48,11 @@ namespace Umbraco.Core.Models
            get { return _defaultTemplate; }
            set
            {
-                _defaultTemplate = value;
-                OnPropertyChanged(DefaultTemplateSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _defaultTemplate = value;
+                    return _defaultTemplate;
+                }, _defaultTemplate, DefaultTemplateSelector);
            }
        }

@@ -61,8 +65,11 @@ namespace Umbraco.Core.Models
            get { return _allowedTemplates; }
            set
            {
-                _allowedTemplates = value;
-                OnPropertyChanged(AllowedTemplatesSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _allowedTemplates = value;
+                    return _allowedTemplates;
+                }, _allowedTemplates, AllowedTemplatesSelector);
            }
        }

@@ -4,7 +4,6 @@ using System.Collections.Specialized;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.Serialization;
-using System.Text.RegularExpressions;
 using Umbraco.Core.Models.EntityBase;

 namespace Umbraco.Core.Models
@@ -23,8 +22,8 @@ namespace Umbraco.Core.Models
        private string _alias;
        private string _description;
        private int _sortOrder;
-        private string _icon;
-        private string _thumbnail;
+        private string _icon = "folder.png";
+        private string _thumbnail = "folder.png";
        private int _creatorId;
        private bool _allowedAsRoot;
        private bool _isContainer;
@@ -32,6 +31,8 @@ namespace Umbraco.Core.Models
        private PropertyGroupCollection _propertyGroups;
        private PropertyTypeCollection _propertyTypes;
        private IEnumerable<ContentTypeSort> _allowedContentTypes;
+        private bool _hasPropertyTypeBeenRemoved;
+

        protected ContentTypeBase(int parentId)
        {
@@ -69,6 +70,8 @@ namespace Umbraco.Core.Models
        private static readonly PropertyInfo AllowedContentTypesSelector = ExpressionHelper.GetPropertyInfo<ContentTypeBase, IEnumerable<ContentTypeSort>>(x => x.AllowedContentTypes);
        private static readonly PropertyInfo PropertyGroupCollectionSelector = ExpressionHelper.GetPropertyInfo<ContentTypeBase, PropertyGroupCollection>(x => x.PropertyGroups);
        private static readonly PropertyInfo PropertyTypeCollectionSelector = ExpressionHelper.GetPropertyInfo<ContentTypeBase, IEnumerable<PropertyType>>(x => x.PropertyTypes);
+        private static readonly PropertyInfo HasPropertyTypeBeenRemovedSelector = ExpressionHelper.GetPropertyInfo<ContentTypeBase, bool>(x => x.HasPropertyTypeBeenRemoved);
+

        protected void PropertyGroupsChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
@@ -112,8 +115,11 @@ namespace Umbraco.Core.Models
            get { return _name; }
            set
            {
-                _name = value;
-                OnPropertyChanged(NameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
            }
        }

@@ -126,8 +132,11 @@ namespace Umbraco.Core.Models
            get { return _level; }
            set
            {
-                _level = value;
-                OnPropertyChanged(LevelSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _level = value;
+                    return _level;
+                }, _level, LevelSelector);
            }
        }

@@ -140,8 +149,11 @@ namespace Umbraco.Core.Models
            get { return _path; }
            set
            {
-                _path = value;
-                OnPropertyChanged(PathSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _path = value;
+                    return _path;
+                }, _path, PathSelector);
            }
        }

@@ -154,13 +166,11 @@ namespace Umbraco.Core.Models
            get { return _alias; }
            set
            {
-                //Ensures a valid ContentType alias
-                //Would have liked to use .ToUmbracoAlias() but that would break casing upon saving older/upgraded ContentTypes
-                var result = Regex.Replace(value, @"[^a-zA-Z0-9\s\.-]+", "", RegexOptions.Compiled);
-                result = result.Replace(" ", "");
-
-                _alias = result;
-                OnPropertyChanged(AliasSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                    {
+                        _alias = value.ToSafeAlias();
+                        return _alias;
+                    }, _alias, AliasSelector);
            }
        }

@@ -173,8 +183,11 @@ namespace Umbraco.Core.Models
            get { return _description; }
            set
            {
-                _description = value;
-                OnPropertyChanged(DescriptionSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _description = value;
+                    return _description;
+                }, _description, DescriptionSelector);
            }
        }

@@ -187,8 +200,11 @@ namespace Umbraco.Core.Models
            get { return _sortOrder; }
            set
            {
-                _sortOrder = value;
-                OnPropertyChanged(SortOrderSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
            }
        }

@@ -201,8 +217,11 @@ namespace Umbraco.Core.Models
            get { return _icon; }
            set
            {
-                _icon = value;
-                OnPropertyChanged(IconSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _icon = value;
+                    return _icon;
+                }, _icon, IconSelector);
            }
        }

@@ -215,8 +234,11 @@ namespace Umbraco.Core.Models
            get { return _thumbnail; }
            set
            {
-                _thumbnail = value;
-                OnPropertyChanged(ThumbnailSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _thumbnail = value;
+                    return _thumbnail;
+                }, _thumbnail, ThumbnailSelector);
            }
        }

@@ -229,8 +251,11 @@ namespace Umbraco.Core.Models
            get { return _creatorId; }
            set
            {
-                _creatorId = value;
-                OnPropertyChanged(CreatorIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _creatorId = value;
+                    return _creatorId;
+                }, _creatorId, CreatorIdSelector);
            }
        }

@@ -243,8 +268,11 @@ namespace Umbraco.Core.Models
            get { return _allowedAsRoot; }
            set
            {
-                _allowedAsRoot = value;
-                OnPropertyChanged(AllowedAsRootSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _allowedAsRoot = value;
+                    return _allowedAsRoot;
+                }, _allowedAsRoot, AllowedAsRootSelector);
            }
        }

@@ -260,8 +288,11 @@ namespace Umbraco.Core.Models
            get { return _isContainer; }
            set
            {
-                _isContainer = value;
-                OnPropertyChanged(IsContainerSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _isContainer = value;
+                    return _isContainer;
+                }, _isContainer, IsContainerSelector);
            }
        }

@@ -275,8 +306,11 @@ namespace Umbraco.Core.Models
            get { return _trashed; }
            set
            {
-                _trashed = value;
-                OnPropertyChanged(TrashedSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _trashed = value;
+                    return _trashed;
+                }, _trashed, TrashedSelector);
            }
        }

@@ -289,8 +323,11 @@ namespace Umbraco.Core.Models
            get { return _allowedContentTypes; }
            set
            {
-                _allowedContentTypes = value;
-                OnPropertyChanged(AllowedContentTypesSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _allowedContentTypes = value;
+                    return _allowedContentTypes;
+                }, _allowedContentTypes, AllowedContentTypesSelector);
            }
        }

@@ -328,16 +365,116 @@ namespace Umbraco.Core.Models
            }
        }

+        /// <summary>
+        /// A boolean flag indicating if a property type has been removed from this instance.
+        /// </summary>
+        /// <remarks>
+        /// This is currently (specifically) used in order to know that we need to refresh the content cache which 
+        /// needs to occur when a property has been removed from a content type
+        /// </remarks>
+        [IgnoreDataMember]
+        internal bool HasPropertyTypeBeenRemoved
+        {
+            get { return _hasPropertyTypeBeenRemoved; }
+            private set
+            {
+                _hasPropertyTypeBeenRemoved = value;
+                OnPropertyChanged(HasPropertyTypeBeenRemovedSelector);
+            }
+        }
+
+        /// <summary>
+        /// Checks whether a PropertyType with a given alias already exists
+        /// </summary>
+        /// <param name="propertyTypeAlias">Alias of the PropertyType</param>
+        /// <returns>Returns <c>True</c> if a PropertyType with the passed in alias exists, otherwise <c>False</c></returns>
+        public abstract bool PropertyTypeExists(string propertyTypeAlias);
+
+        /// <summary>
+        /// Adds a PropertyGroup.
+        /// This method will also check if a group already exists with the same name and link it to the parent.
+        /// </summary>
+        /// <param name="groupName">Name of the PropertyGroup to add</param>
+        /// <returns>Returns <c>True</c> if a PropertyGroup with the passed in name was added, otherwise <c>False</c></returns>
+        public abstract bool AddPropertyGroup(string groupName);
+
+        /// <summary>
+        /// Adds a PropertyType to a specific PropertyGroup
+        /// </summary>
+        /// <param name="propertyType"><see cref="PropertyType"/> to add</param>
+        /// <param name="propertyGroupName">Name of the PropertyGroup to add the PropertyType to</param>
+        /// <returns>Returns <c>True</c> if PropertyType was added, otherwise <c>False</c></returns>
+        public abstract bool AddPropertyType(PropertyType propertyType, string propertyGroupName);
+
+        /// <summary>
+        /// Adds a PropertyType, which does not belong to a PropertyGroup.
+        /// </summary>
+        /// <param name="propertyType"><see cref="PropertyType"/> to add</param>
+        /// <returns>Returns <c>True</c> if PropertyType was added, otherwise <c>False</c></returns>
+        public bool AddPropertyType(PropertyType propertyType)
+        {
+            if (PropertyTypeExists(propertyType.Alias) == false)
+            {
+                _propertyTypes.Add(propertyType);
+                _propertyTypes.CollectionChanged += PropertyTypesChanged;
+                return true;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Moves a PropertyType to a specified PropertyGroup
+        /// </summary>
+        /// <param name="propertyTypeAlias">Alias of the PropertyType to move</param>
+        /// <param name="propertyGroupName">Name of the PropertyGroup to move the PropertyType to</param>
+        /// <returns></returns>
+        public bool MovePropertyType(string propertyTypeAlias, string propertyGroupName)
+        {
+            if (PropertyTypes.Any(x => x.Alias == propertyTypeAlias) == false || PropertyGroups.Any(x => x.Name == propertyGroupName) == false)
+                return false;
+
+            var propertyType = PropertyTypes.First(x => x.Alias == propertyTypeAlias);
+            //The PropertyType already belongs to a PropertyGroup, so we have to remove the PropertyType from that group
+            if (PropertyGroups.Any(x => x.PropertyTypes.Any(y => y.Alias == propertyTypeAlias)))
+            {
+                var oldPropertyGroup = PropertyGroups.First(x => x.PropertyTypes.Any(y => y.Alias == propertyTypeAlias));
+                oldPropertyGroup.PropertyTypes.RemoveItem(propertyTypeAlias);
+            }
+
+            propertyType.PropertyGroupId = new Lazy<int>(() => default(int));
+            propertyType.ResetDirtyProperties();
+
+            var propertyGroup = PropertyGroups.First(x => x.Name == propertyGroupName);
+            propertyGroup.PropertyTypes.Add(propertyType);
+
+            return true;
+        }
+
        /// <summary>
        /// Removes a PropertyType from the current ContentType
        /// </summary>
        /// <param name="propertyTypeAlias">Alias of the <see cref="PropertyType"/> to remove</param>
        public void RemovePropertyType(string propertyTypeAlias)
        {
+
+            //check if the property exist in one of our collections
+            if (PropertyGroups.Any(group => group.PropertyTypes.Any(pt => pt.Alias == propertyTypeAlias))
+                || _propertyTypes.Any(x => x.Alias == propertyTypeAlias))
+            {
+                //set the flag that a property has been removed
+                HasPropertyTypeBeenRemoved = true;
+            }
+
            foreach (var propertyGroup in PropertyGroups)
            {
                propertyGroup.PropertyTypes.RemoveItem(propertyTypeAlias);
            }
+
+            if (_propertyTypes.Any(x => x.Alias == propertyTypeAlias))
+            {
+                _propertyTypes.RemoveItem(propertyTypeAlias);               
+            }
        }

        /// <summary>
@@ -348,9 +485,5 @@ namespace Umbraco.Core.Models
        {
            _parentId = id;
        }
-
-        //TODO Implement moving PropertyType between groups.
-        /*public bool MovePropertyTypeToGroup(string propertyTypeAlias, string groupName)
-        {}*/
    }
 }
@@ -14,6 +14,7 @@ namespace Umbraco.Core.Models
    public abstract class ContentTypeCompositionBase : ContentTypeBase, IContentTypeComposition
    {
        private readonly List<IContentTypeComposition> _contentTypeComposition = new List<IContentTypeComposition>();
+        internal List<int> RemovedContentTypeKeyTracker = new List<int>();

        protected ContentTypeCompositionBase(int parentId) : base(parentId)
        {
@@ -44,7 +45,7 @@ namespace Umbraco.Core.Models
        {
            get
            {
-                var groups = PropertyGroups.Union(ContentTypeComposition.SelectMany(x => x.CompositionPropertyGroups));
+                var groups = ContentTypeComposition.SelectMany(x => x.CompositionPropertyGroups).Union(PropertyGroups);
                return groups;
            }
        }
@@ -57,8 +58,7 @@ namespace Umbraco.Core.Models
        {
            get
            {
-                var propertyTypes =
-                    PropertyTypes.Union(ContentTypeComposition.SelectMany(x => x.CompositionPropertyTypes));
+                var propertyTypes = ContentTypeComposition.SelectMany(x => x.CompositionPropertyTypes).Union(PropertyTypes);
                return propertyTypes;
            }
        }
@@ -89,9 +89,11 @@ namespace Umbraco.Core.Models
        /// <returns>True if ContentType was removed, otherwise returns False</returns>
        public bool RemoveContentType(string alias)
        {
-            if (!ContentTypeCompositionExists(alias))
+            if (ContentTypeCompositionExists(alias))
            {
                var contentTypeComposition = ContentTypeComposition.First(x => x.Alias == alias);
+                RemovedContentTypeKeyTracker.Add(contentTypeComposition.Id);
+                OnPropertyChanged(ContentTypeCompositionSelector);
                return _contentTypeComposition.Remove(contentTypeComposition);
            }
            return false;
@@ -113,6 +115,83 @@ namespace Umbraco.Core.Models
            return false;
        }

+        /// <summary>
+        /// Checks whether a PropertyType with a given alias already exists
+        /// </summary>
+        /// <param name="propertyTypeAlias">Alias of the PropertyType</param>
+        /// <returns>Returns <c>True</c> if a PropertyType with the passed in alias exists, otherwise <c>False</c></returns>
+        public override bool PropertyTypeExists(string propertyTypeAlias)
+        {
+            return CompositionPropertyTypes.Any(x => x.Alias == propertyTypeAlias);
+        }
+
+        /// <summary>
+        /// Adds a PropertyGroup.
+        /// This method will also check if a group already exists with the same name and link it to the parent.
+        /// </summary>
+        /// <param name="groupName">Name of the PropertyGroup to add</param>
+        /// <returns>Returns <c>True</c> if a PropertyGroup with the passed in name was added, otherwise <c>False</c></returns>
+        public override bool AddPropertyGroup(string groupName)
+        {
+            if (PropertyGroups.Any(x => x.Name == groupName))
+                return false;
+
+            var propertyGroup = new PropertyGroup {Name = groupName, SortOrder = 0};
+
+            if (CompositionPropertyGroups.Any(x => x.Name == groupName))
+            {
+                var firstGroup = CompositionPropertyGroups.First(x => x.Name == groupName && x.ParentId.HasValue == false);
+                propertyGroup.SetLazyParentId(new Lazy<int?>(() => firstGroup.Id));
+            }
+
+            if (PropertyGroups.Any())
+            {
+                var last = PropertyGroups.Last();
+                propertyGroup.SortOrder = last.SortOrder + 1;
+            }
+
+            PropertyGroups.Add(propertyGroup);
+            return true;
+        }
+
+        /// <summary>
+        /// Adds a PropertyType to a specific PropertyGroup
+        /// </summary>
+        /// <param name="propertyType"><see cref="PropertyType"/> to add</param>
+        /// <param name="propertyGroupName">Name of the PropertyGroup to add the PropertyType to</param>
+        /// <returns>Returns <c>True</c> if PropertyType was added, otherwise <c>False</c></returns>
+        public override bool AddPropertyType(PropertyType propertyType, string propertyGroupName)
+        {
+            if (PropertyTypeExists(propertyType.Alias) == false)
+            {
+                if (PropertyGroups.Contains(propertyGroupName))
+                {
+                    propertyType.PropertyGroupId = new Lazy<int>(() => PropertyGroups[propertyGroupName].Id);
+                    PropertyGroups[propertyGroupName].PropertyTypes.Add(propertyType);
+                }
+                else
+                {
+                    //If the PropertyGroup doesn't already exist we create a new one 
+                    var propertyTypes = new List<PropertyType> { propertyType };
+                    var propertyGroup = new PropertyGroup(new PropertyTypeCollection(propertyTypes)) { Name = propertyGroupName, SortOrder = 1 };
+                    //and check if its an inherited PropertyGroup, which exists in the composition
+                    if (CompositionPropertyGroups.Any(x => x.Name == propertyGroupName))
+                    {
+                        var parentPropertyGroup = CompositionPropertyGroups.First(x => x.Name == propertyGroupName && x.ParentId.HasValue == false);
+                        propertyGroup.SortOrder = parentPropertyGroup.SortOrder;
+                        //propertyGroup.ParentId = parentPropertyGroup.Id;
+                        propertyGroup.SetLazyParentId(new Lazy<int?>(() => parentPropertyGroup.Id));
+                    }
+
+                    PropertyGroups.Add(propertyGroup);
+                }
+
+                return true;
+            }
+
+            return false;
+        }
+
        /// <summary>
        /// Gets a list of ContentType aliases from the current composition 
        /// </summary>
@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using System.Linq;
+using Umbraco.Core.Services;
+
+namespace Umbraco.Core.Models
+{
+    internal static class ContentTypeExtensions
+    {
+        /// <summary>
+        /// Get all descendant content types
+        /// </summary>
+        /// <param name="contentType"></param>
+        /// <returns></returns>
+        public static IEnumerable<IContentTypeBase> Descendants(this IContentTypeBase contentType)
+        {
+            var contentTypeService = ApplicationContext.Current.Services.ContentTypeService;
+            var descendants = contentTypeService.GetContentTypeChildren(contentType.Id)
+                                                .FlattenList(type => contentTypeService.GetContentTypeChildren(type.Id));
+            return descendants;
+        }
+
+        /// <summary>
+        /// Get all descendant and self content types
+        /// </summary>
+        /// <param name="contentType"></param>
+        /// <returns></returns>
+        public static IEnumerable<IContentTypeBase> DescendantsAndSelf(this IContentTypeBase contentType)
+        {
+            var descendantsAndSelf = new[] { contentType }.Concat(contentType.Descendants());
+            return descendantsAndSelf;
+        }
+
+        ///// <summary>
+        ///// Returns the descendant content type Ids for the given content type
+        ///// </summary>
+        ///// <param name="contentType"></param>
+        ///// <returns></returns>
+        //public static IEnumerable<int> DescendantIds(this IContentTypeBase contentType)
+        //{
+        //    return ((ContentTypeService) ApplicationContext.Current.Services.ContentTypeService)
+        //        .GetDescendantContentTypeIds(contentType.Id);
+        //}
+    }
+}
@@ -8,6 +8,17 @@ namespace Umbraco.Core.Models
    /// </summary>
    public class ContentTypeSort : IValueObject
    {
+        public ContentTypeSort()
+        {
+        }
+
+        public ContentTypeSort(Lazy<int> id, int sortOrder, string @alias)
+        {
+            Id = id;
+            SortOrder = sortOrder;
+            Alias = alias;
+        }
+
        /// <summary>
        /// Gets or sets the Id of the ContentType
        /// </summary>
@@ -15,12 +15,12 @@ namespace Umbraco.Core.Models
    public enum DataTypeDatabaseType
    {
        [EnumMember]
-        Integer,
-        [EnumMember]
-        Date,
+        Ntext,
        [EnumMember]
        Nvarchar,
        [EnumMember]
-        Ntext /*, Object*/
+        Integer,
+        [EnumMember]
+        Date
    }
 }
@@ -2,6 +2,7 @@
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -52,8 +53,11 @@ namespace Umbraco.Core.Models
            get { return _parentId; }
            set
            {
-                _parentId = value;
-                OnPropertyChanged(ParentIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _parentId = value;
+                    return _parentId;
+                }, _parentId, ParentIdSelector);
            }
        }

@@ -66,8 +70,11 @@ namespace Umbraco.Core.Models
            get { return _name; }
            set
            {
-                _name = value;
-                OnPropertyChanged(NameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
            }
        }

@@ -80,8 +87,11 @@ namespace Umbraco.Core.Models
            get { return _sortOrder; }
            set
            {
-                _sortOrder = value;
-                OnPropertyChanged(SortOrderSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
            }
        }

@@ -94,8 +104,11 @@ namespace Umbraco.Core.Models
            get { return _level; }
            set
            {
-                _level = value;
-                OnPropertyChanged(LevelSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _level = value;
+                    return _level;
+                }, _level, LevelSelector);
            }
        }

@@ -108,8 +121,11 @@ namespace Umbraco.Core.Models
            get { return _path; }
            set
            {
-                _path = value;
-                OnPropertyChanged(PathSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _path = value;
+                    return _path;
+                }, _path, PathSelector);
            }
        }

@@ -122,8 +138,11 @@ namespace Umbraco.Core.Models
            get { return _creatorId; }
            set
            {
-                _creatorId = value;
-                OnPropertyChanged(UserIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _creatorId = value;
+                    return _creatorId;
+                }, _creatorId, UserIdSelector);
            }
        }

@@ -136,8 +155,11 @@ namespace Umbraco.Core.Models
            get { return _trashed; }
            internal set
            {
-                _trashed = value;
-                OnPropertyChanged(TrashedSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _trashed = value;
+                    return _trashed;
+                }, _trashed, TrashedSelector);
            }
        }

@@ -149,9 +171,12 @@ namespace Umbraco.Core.Models
        {
            get { return _controlId; }
            private set 
-            { 
-                _controlId = value;
-                OnPropertyChanged(ControlIdSelector);
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _controlId = value;
+                    return _controlId;
+                }, _controlId, ControlIdSelector);
            }
        }

@@ -163,16 +188,21 @@ namespace Umbraco.Core.Models
        {
            get { return _databaseType; }
            set 
-            { 
-                _databaseType = value;
-                OnPropertyChanged(DatabaseTypeSelector);
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _databaseType = value;
+                    return _databaseType;
+                }, _databaseType, DatabaseTypeSelector);
            }
        }

        internal override void AddingEntity()
        {
            base.AddingEntity();
-            Key = Guid.NewGuid();
+
+            if(Key == default(Guid))
+                Key = Guid.NewGuid();
        }
    }
 }
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -41,8 +42,11 @@ namespace Umbraco.Core.Models
            get { return _parentId; }
            set
            {
-                _parentId = value;
-                OnPropertyChanged(ParentIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _parentId = value;
+                    return _parentId;
+                }, _parentId, ParentIdSelector);
            }
        }

@@ -55,8 +59,11 @@ namespace Umbraco.Core.Models
            get { return _itemKey; }
            set
            {
-                _itemKey = value;
-                OnPropertyChanged(ItemKeySelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _itemKey = value;
+                    return _itemKey;
+                }, _itemKey, ItemKeySelector);
            }
        }

@@ -69,8 +76,11 @@ namespace Umbraco.Core.Models
            get { return _translations; }
            set
            {
-                _translations = value;
-                OnPropertyChanged(TranslationsSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _translations = value;
+                    return _translations;
+                }, _translations, TranslationsSelector);
            }
        }

@@ -2,6 +2,7 @@
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -40,8 +41,11 @@ namespace Umbraco.Core.Models
            get { return _language; }
            set
            {
-                _language = value;
-                OnPropertyChanged(LanguageSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _language = value;
+                    return _language;
+                }, _language, LanguageSelector);
            }
        }

@@ -54,8 +58,11 @@ namespace Umbraco.Core.Models
            get { return _value; }
            set
            {
-                _value = value;
-                OnPropertyChanged(ValueSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _value = value;
+                    return _value;
+                }, _value, ValueSelector);
            }
        }
    }
@@ -1,7 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Linq;
+using System.Diagnostics;
 using System.Reflection;
 using System.Runtime.Serialization;

@@ -12,12 +10,24 @@ namespace Umbraco.Core.Models.EntityBase
    /// </summary>
    [Serializable]
    [DataContract(IsReference = true)]
-    public abstract class Entity : IEntity, ICanBeDirty
+    [DebuggerDisplay("Id: {Id}")]
+    public abstract class Entity : TracksChangesEntityBase, IEntity, IRememberBeingDirty, ICanBeDirty
    {
        private bool _hasIdentity;
        private int? _hash;
        private int _id;
        private Guid _key;
+        private DateTime _createDate;
+        private DateTime _updateDate;
+        private bool _wasCancelled;
+
+        private static readonly PropertyInfo IdSelector = ExpressionHelper.GetPropertyInfo<Entity, int>(x => x.Id);
+        private static readonly PropertyInfo KeySelector = ExpressionHelper.GetPropertyInfo<Entity, Guid>(x => x.Key);
+        private static readonly PropertyInfo CreateDateSelector = ExpressionHelper.GetPropertyInfo<Entity, DateTime>(x => x.CreateDate);
+        private static readonly PropertyInfo UpdateDateSelector = ExpressionHelper.GetPropertyInfo<Entity, DateTime>(x => x.UpdateDate);
+        private static readonly PropertyInfo HasIdentitySelector = ExpressionHelper.GetPropertyInfo<Entity, bool>(x => x.HasIdentity);
+        private static readonly PropertyInfo WasCancelledSelector = ExpressionHelper.GetPropertyInfo<Entity, bool>(x => x.WasCancelled);
+        

        /// <summary>
        /// Integer Id
@@ -31,8 +41,12 @@ namespace Umbraco.Core.Models.EntityBase
            }
            set
            {
-                _id = value;
-                HasIdentity = true;
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _id = value;
+                    HasIdentity = true; //set the has Identity
+                    return _id;
+                }, _id, IdSelector);
            }
        }
        
@@ -51,41 +65,71 @@ namespace Umbraco.Core.Models.EntityBase

                return _key;
            }
-            set { _key = value; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _key = value;
+                    return _key;
+                }, _key, KeySelector);
+            }
        }

        /// <summary>
        /// Gets or sets the Created Date
        /// </summary>
        [DataMember]
-        public DateTime CreateDate { get; set; }
+        public DateTime CreateDate
+        {
+            get { return _createDate; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _createDate = value;
+                    return _createDate;
+                }, _createDate, CreateDateSelector);
+            }
+        }
+
+        /// <summary>
+        /// /// Gets or sets the WasCancelled flag, which is used to track
+        /// whether some action against an entity was cancelled through some event.
+        /// This only exists so we have a way to check if an event was cancelled through
+        /// the new api, which also needs to take effect in the legacy api.
+        /// </summary>
+        [IgnoreDataMember]
+        internal bool WasCancelled
+        {
+            get { return _wasCancelled; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _wasCancelled = value;
+                    return _wasCancelled;
+                }, _wasCancelled, WasCancelledSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Modified Date
        /// </summary>
        [DataMember]
-        public DateTime UpdateDate { get; set; }
-
-        /// <summary>
-        /// Property changed event
-        /// </summary>
-        public event PropertyChangedEventHandler PropertyChanged;
-
-        /// <summary>
-        /// Method to call on a property setter.
-        /// </summary>
-        /// <param name="propertyInfo">The property info.</param>
-        protected virtual void OnPropertyChanged(PropertyInfo propertyInfo)
+        public DateTime UpdateDate
        {
-            _propertyChangedInfo[propertyInfo.Name] = true;
-
-            if (PropertyChanged != null)
+            get { return _updateDate; }
+            set
            {
-                PropertyChanged(this, new PropertyChangedEventArgs(propertyInfo.Name));
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _updateDate = value;
+                    return _updateDate;
+                }, _updateDate, UpdateDateSelector);
            }
        }

-        protected void ResetIdentity()
+        internal virtual void ResetIdentity()
        {
            _hasIdentity = false;
            _id = default(int);
@@ -108,42 +152,6 @@ namespace Umbraco.Core.Models.EntityBase
            UpdateDate = DateTime.Now;
        }

-        /// <summary>
-        /// Tracks the properties that have changed
-        /// </summary>
-        private readonly IDictionary<string, bool> _propertyChangedInfo = new Dictionary<string, bool>();
-
-        /// <summary>
-        /// Indicates whether a specific property on the current entity is dirty.
-        /// </summary>
-        /// <param name="propertyName">Name of the property to check</param>
-        /// <returns>True if Property is dirty, otherwise False</returns>
-        public virtual bool IsPropertyDirty(string propertyName)
-        {
-            return _propertyChangedInfo.Any(x => x.Key == propertyName);
-        }
-
-        /// <summary>
-        /// Indicates whether the current entity is dirty.
-        /// </summary>
-        /// <returns>True if entity is dirty, otherwise False</returns>
-        public virtual bool IsDirty()
-        {
-            return _propertyChangedInfo.Any();
-        }
-
-        /// <summary>
-        /// Resets dirty properties by clearing the dictionary used to track changes.
-        /// </summary>
-        /// <remarks>
-        /// Please note that resetting the dirty properties could potentially
-        /// obstruct the saving of a new or updated entity.
-        /// </remarks>
-        public virtual void ResetDirtyProperties()
-        {
-            _propertyChangedInfo.Clear();
-        }
-
        /// <summary>
        /// Indicates whether the current entity has an identity, eg. Id.
        /// </summary>
@@ -155,7 +163,11 @@ namespace Umbraco.Core.Models.EntityBase
            }
            protected set
            {
-                _hasIdentity = value;
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _hasIdentity = value;
+                    return _hasIdentity;
+                }, _hasIdentity, HasIdentitySelector);
            }
        }

@@ -0,0 +1,13 @@
+namespace Umbraco.Core.Models.EntityBase
+{
+    /// <summary>
+    /// An interface that defines if the object is tracking property changes and that is is also
+    /// remembering what property changes had been made after the changes were committed.
+    /// </summary>
+    public interface IRememberBeingDirty : ICanBeDirty
+    {
+        bool WasDirty();
+        bool WasPropertyDirty(string propertyName);
+        void ForgetPreviouslyDirtyProperties();
+    }
+}
@@ -3,29 +3,34 @@
    public interface IUmbracoEntity : IAggregateRoot
    {
        /// <summary>
-        /// Gets or sets the Id of the Parent entity
+        /// Profile of the user who created this Entity
        /// </summary>
-        int ParentId { get; set; }
-
-        /// <summary>
-        /// Gets or sets the sort order of the Entity
-        /// </summary>
-        int SortOrder { get; set; }
+        int CreatorId { get; set; }

        /// <summary>
        /// Gets or sets the level of the Entity
        /// </summary>
        int Level { get; set; }

+        /// <summary>
+        /// Gets or Sets the Name of the Entity
+        /// </summary>
+        string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the Id of the Parent Entity
+        /// </summary>
+        int ParentId { get; set; }
+
        /// <summary>
        /// Gets or sets the path to the Entity
        /// </summary>
        string Path { get; set; }

        /// <summary>
-        /// Profile of the user who created this Entity
+        /// Gets or sets the sort order of the Entity
        /// </summary>
-        int CreatorId { get; set; }
+        int SortOrder { get; set; }

        /// <summary>
        /// Boolean indicating whether this Entity is Trashed or not.
@@ -0,0 +1,147 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Reflection;
+
+namespace Umbraco.Core.Models.EntityBase
+{
+    /// <summary>
+    /// A base class for use to implement IRememberBeingDirty/ICanBeDirty
+    /// </summary>
+    public abstract class TracksChangesEntityBase : IRememberBeingDirty
+    {
+        /// <summary>
+        /// Tracks the properties that have changed
+        /// </summary>
+        private readonly IDictionary<string, bool> _propertyChangedInfo = new Dictionary<string, bool>();
+
+        /// <summary>
+        /// Tracks the properties that we're changed before the last commit (or last call to ResetDirtyProperties)
+        /// </summary>
+        private IDictionary<string, bool> _lastPropertyChangedInfo = null;
+
+        /// <summary>
+        /// Property changed event
+        /// </summary>
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        /// <summary>
+        /// Method to call on a property setter.
+        /// </summary>
+        /// <param name="propertyInfo">The property info.</param>
+        protected virtual void OnPropertyChanged(PropertyInfo propertyInfo)
+        {
+            _propertyChangedInfo[propertyInfo.Name] = true;
+
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(propertyInfo.Name));
+            }
+        }
+
+        /// <summary>
+        /// Indicates whether a specific property on the current entity is dirty.
+        /// </summary>
+        /// <param name="propertyName">Name of the property to check</param>
+        /// <returns>True if Property is dirty, otherwise False</returns>
+        public virtual bool IsPropertyDirty(string propertyName)
+        {
+            return _propertyChangedInfo.Any(x => x.Key == propertyName);
+        }
+
+        /// <summary>
+        /// Indicates whether the current entity is dirty.
+        /// </summary>
+        /// <returns>True if entity is dirty, otherwise False</returns>
+        public virtual bool IsDirty()
+        {
+            return _propertyChangedInfo.Any();
+        }
+
+        /// <summary>
+        /// Indicates that the entity had been changed and the changes were committed
+        /// </summary>
+        /// <returns></returns>
+        public bool WasDirty()
+        {
+            return _lastPropertyChangedInfo != null && _lastPropertyChangedInfo.Any();
+        }
+
+        /// <summary>
+        /// Indicates whether a specific property on the current entity was changed and the changes were committed
+        /// </summary>
+        /// <param name="propertyName">Name of the property to check</param>
+        /// <returns>True if Property was changed, otherwise False. Returns false if the entity had not been previously changed.</returns>
+        public virtual bool WasPropertyDirty(string propertyName)
+        {
+            return WasDirty() && _lastPropertyChangedInfo.Any(x => x.Key == propertyName);
+        }
+
+        /// <summary>
+        /// Resets the remembered dirty properties from before the last commit
+        /// </summary>
+        public void ForgetPreviouslyDirtyProperties()
+        {
+            _lastPropertyChangedInfo.Clear();
+        }
+
+        /// <summary>
+        /// Resets dirty properties by clearing the dictionary used to track changes.
+        /// </summary>
+        /// <remarks>
+        /// Please note that resetting the dirty properties could potentially
+        /// obstruct the saving of a new or updated entity.
+        /// </remarks>
+        public virtual void ResetDirtyProperties()
+        {
+            ResetDirtyProperties(true);
+        }
+
+        /// <summary>
+        /// Resets dirty properties by clearing the dictionary used to track changes.
+        /// </summary>
+        /// <param name="rememberPreviouslyChangedProperties">
+        /// true if we are to remember the last changes made after resetting
+        /// </param>
+        /// <remarks>
+        /// Please note that resetting the dirty properties could potentially
+        /// obstruct the saving of a new or updated entity.
+        /// </remarks>
+        internal void ResetDirtyProperties(bool rememberPreviouslyChangedProperties)
+        {
+            if (rememberPreviouslyChangedProperties)
+            {
+                //copy the changed properties to the last changed properties
+                _lastPropertyChangedInfo = _propertyChangedInfo.ToDictionary(v => v.Key, v => v.Value);
+            }
+
+            _propertyChangedInfo.Clear();
+        }
+
+        /// <summary>
+        /// Used by inheritors to set the value of properties, this will detect if the property value actually changed and if it did
+        /// it will ensure that the property has a dirty flag set.
+        /// </summary>
+        /// <param name="setValue"></param>
+        /// <param name="value"></param>
+        /// <param name="propertySelector"></param>
+        /// <returns>returns true if the value changed</returns>
+        /// <remarks>
+        /// This is required because we don't want a property to show up as "dirty" if the value is the same. For example, when we 
+        /// save a document type, nearly all properties are flagged as dirty just because we've 'reset' them, but they are all set 
+        /// to the same value, so it's really not dirty.
+        /// </remarks>
+        internal bool SetPropertyValueAndDetectChanges<T>(Func<T, T> setValue, T value, PropertyInfo propertySelector)
+        {
+            var initVal = value;
+            var newVal = setValue(value);
+            if (!Equals(initVal, newVal))
+            {
+                OnPropertyChanged(propertySelector);
+                return true;
+            }
+            return false;
+        }
+    }
+}
@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;

@@ -12,11 +13,17 @@ namespace Umbraco.Core.Models
    [DataContract(IsReference = true)]
    public abstract class File : Entity, IFile
    {
+        private string _path;
+        private string _content = string.Empty; //initialize to empty string, not null
+
        protected File(string path)
        {
-            Path = path;
+            _path = path;
        }

+        private static readonly PropertyInfo ContentSelector = ExpressionHelper.GetPropertyInfo<File, string>(x => x.Content);
+        private static readonly PropertyInfo PathSelector = ExpressionHelper.GetPropertyInfo<File, string>(x => x.Path);
+
        /// <summary>
        /// Gets or sets the Name of the File including extension
        /// </summary>
@@ -48,29 +55,40 @@ namespace Umbraco.Core.Models
        /// Gets or sets the Path to the File from the root of the site
        /// </summary>
        [DataMember]
-        public virtual string Path { get; set; }
+        public virtual string Path
+        {
+            get { return _path; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _path = value;
+                    return _path;
+                }, _path, PathSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Content of a File
        /// </summary>
        [DataMember]
-        public virtual string Content { get; set; }
+        public virtual string Content
+        {
+            get { return _content; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _content = value;
+                    return _content;
+                }, _content, ContentSelector);
+            }
+        }

        /// <summary>
        /// Boolean indicating whether the file could be validated
        /// </summary>
        /// <returns>True if file is valid, otherwise false</returns>
        public abstract bool IsValid();
-
-        /// <summary>
-        /// Indicates whether the current entity has an identity, which in this case is a path/name.
-        /// </summary>
-        /// <remarks>
-        /// Overrides the default Entity identity check.
-        /// </remarks>
-        public override bool HasIdentity
-        {
-            get { return string.IsNullOrEmpty(Path) == false; }
-        }
    }
 }
@@ -1,10 +1,12 @@
 using System;
+using System.Diagnostics;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
    /// <summary>
    /// Defines a Content object
-    /// </summary>
+    /// </summary>    
    public interface IContent : IContentBase
    {
        /// <summary>
@@ -10,11 +10,6 @@ namespace Umbraco.Core.Models
    /// </summary>
    public interface IContentBase : IUmbracoEntity
    {
-        /// <summary>
-        /// Gets or Sets the Name of the Content
-        /// </summary>
-        string Name { get; set; }
-       
        /// <summary>
        /// Integer Id of the default ContentType
        /// </summary>
@@ -83,6 +78,6 @@ namespace Umbraco.Core.Models
        /// </summary>
        /// <param name="isTrashed">Boolean indicating whether content is trashed (true) or not trashed (false)</param>
        /// <param name="parentId"> </param>
-        void ChangeTrashedState(bool isTrashed, int parentId = -1);
+        void ChangeTrashedState(bool isTrashed, int parentId = -20);
    }
 }
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -15,11 +15,6 @@ namespace Umbraco.Core.Models
        /// </summary>
        string Alias { get; set; }

-        /// <summary>
-        /// Gets or Sets the Name of the ContentType
-        /// </summary>
-        string Name { get; set; }
-
        /// <summary>
        /// Gets or Sets the Description for the ContentType
        /// </summary>
@@ -74,5 +69,43 @@ namespace Umbraco.Core.Models
        /// </summary>
        /// <param name="id">Id of the Parent</param>
        void SetLazyParentId(Lazy<int> id);
+
+        /// <summary>
+        /// Checks whether a PropertyType with a given alias already exists
+        /// </summary>
+        /// <param name="propertyTypeAlias">Alias of the PropertyType</param>
+        /// <returns>Returns <c>True</c> if a PropertyType with the passed in alias exists, otherwise <c>False</c></returns>
+        bool PropertyTypeExists(string propertyTypeAlias);
+
+        /// <summary>
+        /// Adds a PropertyType to a specific PropertyGroup
+        /// </summary>
+        /// <param name="propertyType"><see cref="PropertyType"/> to add</param>
+        /// <param name="propertyGroupName">Name of the PropertyGroup to add the PropertyType to</param>
+        /// <returns>Returns <c>True</c> if PropertyType was added, otherwise <c>False</c></returns>
+        bool AddPropertyType(PropertyType propertyType, string propertyGroupName);
+
+        /// <summary>
+        /// Adds a PropertyType, which does not belong to a PropertyGroup.
+        /// </summary>
+        /// <param name="propertyType"><see cref="PropertyType"/> to add</param>
+        /// <returns>Returns <c>True</c> if PropertyType was added, otherwise <c>False</c></returns>
+        bool AddPropertyType(PropertyType propertyType);
+
+        /// <summary>
+        /// Adds a PropertyGroup.
+        /// This method will also check if a group already exists with the same name and link it to the parent.
+        /// </summary>
+        /// <param name="groupName">Name of the PropertyGroup to add</param>
+        /// <returns>Returns <c>True</c> if a PropertyGroup with the passed in name was added, otherwise <c>False</c></returns>
+        bool AddPropertyGroup(string groupName);
+
+        /// <summary>
+        /// Moves a PropertyType to a specified PropertyGroup
+        /// </summary>
+        /// <param name="propertyTypeAlias">Alias of the PropertyType to move</param>
+        /// <param name="propertyGroupName">Name of the PropertyGroup to move the PropertyType to</param>
+        /// <returns></returns>
+        bool MovePropertyType(string propertyTypeAlias, string propertyGroupName);
    }
 }
@@ -1,15 +1,11 @@
 using System;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
    public interface IDataTypeDefinition : IUmbracoEntity
    {
-        /// <summary>
-        /// Gets or sets the name of the current entity
-        /// </summary>
-        string Name { get; set; }
-
        /// <summary>
        /// Id of the DataType control
        /// </summary>
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -1,5 +1,6 @@
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -1,6 +1,7 @@
 using System.Globalization;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -1,4 +1,6 @@
-namespace Umbraco.Core.Models
+using Umbraco.Core.Persistence.Mappers;
+
+namespace Umbraco.Core.Models
 {
    public interface IMedia : IContentBase
    {
@@ -1,8 +1,10 @@
-namespace Umbraco.Core.Models
+using Umbraco.Core.Persistence.Mappers;
+
+namespace Umbraco.Core.Models
 {
    /// <summary>
    /// Defines a ContentType, which Media is based on
-    /// </summary>
+    /// </summary
    public interface IMediaType : IContentTypeComposition
    {
         
@@ -3,6 +3,7 @@ using System.Globalization;
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -33,8 +34,11 @@ namespace Umbraco.Core.Models
            get { return _isoCode; }
            set
            {
-                _isoCode = value;
-                OnPropertyChanged(IsoCodeSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _isoCode = value;
+                    return _isoCode;
+                }, _isoCode, IsoCodeSelector);
            }
        }

@@ -47,8 +51,11 @@ namespace Umbraco.Core.Models
            get { return _cultureName; }
            set
            {
-                _cultureName = value;
-                OnPropertyChanged(CultureNameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _cultureName = value;
+                    return _cultureName;
+                }, _cultureName, CultureNameSelector);
            }
        }

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;

@@ -12,81 +13,240 @@ namespace Umbraco.Core.Models
    [DataContract(IsReference = true)]
    internal class Macro : Entity, IMacro
    {
+        private string _alias;
+        private string _name;
+        private bool _useInEditor;
+        private int _cacheDuration;
+        private bool _cacheByPage;
+        private bool _cacheByMember;
+        private bool _dontRender;
+        private string _scriptFile;
+        private string _scriptAssembly;
+        private string _python;
+        private string _xslt;
+        private List<IMacroProperty> _properties;
+
+        private static readonly PropertyInfo AliasSelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.Alias);
+        private static readonly PropertyInfo NameSelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.Name);
+        private static readonly PropertyInfo UseInEditorSelector = ExpressionHelper.GetPropertyInfo<Macro, bool>(x => x.UseInEditor);
+        private static readonly PropertyInfo CacheDurationSelector = ExpressionHelper.GetPropertyInfo<Macro, int>(x => x.CacheDuration);
+        private static readonly PropertyInfo CacheByPageSelector = ExpressionHelper.GetPropertyInfo<Macro, bool>(x => x.CacheByPage);
+        private static readonly PropertyInfo CacheByMemberSelector = ExpressionHelper.GetPropertyInfo<Macro, bool>(x => x.CacheByMember);
+        private static readonly PropertyInfo DontRenderSelector = ExpressionHelper.GetPropertyInfo<Macro, bool>(x => x.DontRender);
+        private static readonly PropertyInfo ScriptFileSelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.ScriptFile);
+        private static readonly PropertyInfo ScriptAssemblySelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.ScriptAssembly);
+        private static readonly PropertyInfo PythonSelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.Python);
+        private static readonly PropertyInfo XsltSelector = ExpressionHelper.GetPropertyInfo<Macro, string>(x => x.Xslt);
+        private static readonly PropertyInfo PropertiesSelector = ExpressionHelper.GetPropertyInfo<Macro, List<IMacroProperty>>(x => x.Properties);
+
        /// <summary>
        /// Gets or sets the alias of the Macro
        /// </summary>
        [DataMember]
-        public string Alias { get; set; }
+        public string Alias
+        {
+            get { return _alias; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _alias = value;
+                    return _alias;
+                }, _alias, AliasSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the name of the Macro
        /// </summary>
        [DataMember]
-        public string Name { get; set; }
+        public string Name
+        {
+            get { return _name; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets a boolean indicating whether the Macro can be used in an Editor
        /// </summary>
        [DataMember]
-        public bool UseInEditor { get; set; }
+        public bool UseInEditor
+        {
+            get { return _useInEditor; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _useInEditor = value;
+                    return _useInEditor;
+                }, _useInEditor, UseInEditorSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Cache Duration for the Macro
        /// </summary>
        [DataMember]
-        public int CacheDuration { get; set; }
+        public int CacheDuration
+        {
+            get { return _cacheDuration; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _cacheDuration = value;
+                    return _cacheDuration;
+                }, _cacheDuration, CacheDurationSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets a boolean indicating whether the Macro should be Cached by Page
        /// </summary>
        [DataMember]
-        public bool CacheByPage { get; set; }
+        public bool CacheByPage
+        {
+            get { return _cacheByPage; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _cacheByPage = value;
+                    return _cacheByPage;
+                }, _cacheByPage, CacheByPageSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets a boolean indicating whether the Macro should be Cached Personally
        /// </summary>
        [DataMember]
-        public bool CacheByMember { get; set; }
+        public bool CacheByMember
+        {
+            get { return _cacheByMember; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _cacheByMember = value;
+                    return _cacheByMember;
+                }, _cacheByMember, CacheByMemberSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets a boolean indicating whether the Macro should be rendered in an Editor
        /// </summary>
        [DataMember]
-        public bool DontRender { get; set; }
+        public bool DontRender
+        {
+            get { return _dontRender; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _dontRender = value;
+                    return _dontRender;
+                }, _dontRender, DontRenderSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the path to the script file in use
        /// </summary>
        /// <remarks>Optional: Can only be one of three Script, Python or Xslt</remarks>
        [DataMember]
-        public string ScriptFile { get; set; }
+        public string ScriptFile
+        {
+            get { return _scriptFile; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _scriptFile = value;
+                    return _scriptFile;
+                }, _scriptFile, ScriptFileSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the name of the assembly, which should be used by the Macro
        /// </summary>
        /// <remarks>Will usually only be filled if the ScriptFile is a Usercontrol</remarks>
        [DataMember]
-        public string ScriptAssembly { get; set; }
+        public string ScriptAssembly
+        {
+            get { return _scriptAssembly; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _scriptAssembly = value;
+                    return _scriptAssembly;
+                }, _scriptAssembly, ScriptAssemblySelector);
+            }
+        }

        /// <summary>
        /// Gets or set the path to the Python file in use
        /// </summary>
        /// <remarks>Optional: Can only be one of three Script, Python or Xslt</remarks>
        [DataMember]
-        public string Python { get; set; }
+        public string Python
+        {
+            get { return _python; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _python = value;
+                    return _python;
+                }, _python, PythonSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the path to the Xslt file in use
        /// </summary>
        /// <remarks>Optional: Can only be one of three Script, Python or Xslt</remarks>
        [DataMember]
-        public string Xslt { get; set; }
+        public string Xslt
+        {
+            get { return _xslt; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _xslt = value;
+                    return _xslt;
+                }, _xslt, XsltSelector);
+            }
+        }

+        //TODO: This needs to be changed to a custom collection class so we can track the dirtyness of each property!
        /// <summary>
        /// Gets or sets a list of Macro Properties
        /// </summary>
        [DataMember]
-        public List<IMacroProperty> Properties { get; set; }
+        public List<IMacroProperty> Properties
+        {
+            get { return _properties; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _properties = value;
+                    return _properties;
+                }, _properties, PropertiesSelector);
+            }
+        }

        /// <summary>
        /// Overridden this method in order to set a random Id
@@ -1,5 +1,7 @@
 using System;
+using System.Reflection;
 using System.Runtime.Serialization;
+using Umbraco.Core.Models.EntityBase;

 namespace Umbraco.Core.Models
 {
@@ -8,25 +10,68 @@ namespace Umbraco.Core.Models
    /// </summary>
    [Serializable]
    [DataContract(IsReference = true)]
-    internal class MacroProperty : IMacroProperty
+    internal class MacroProperty : TracksChangesEntityBase, IMacroProperty, IRememberBeingDirty
    {
+        private string _alias;
+        private string _name;
+        private int _sortOrder;
+        private IMacroPropertyType _propertyType;
+
+        private static readonly PropertyInfo AliasSelector = ExpressionHelper.GetPropertyInfo<MacroProperty, string>(x => x.Alias);
+        private static readonly PropertyInfo NameSelector = ExpressionHelper.GetPropertyInfo<MacroProperty, string>(x => x.Name);
+        private static readonly PropertyInfo SortOrderSelector = ExpressionHelper.GetPropertyInfo<MacroProperty, int>(x => x.SortOrder);
+        private static readonly PropertyInfo PropertyTypeSelector = ExpressionHelper.GetPropertyInfo<MacroProperty, IMacroPropertyType>(x => x.PropertyType);
+
        /// <summary>
        /// Gets or sets the Alias of the Property
        /// </summary>
        [DataMember]
-        public string Alias { get; set; }
+        public string Alias
+        {
+            get { return _alias; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _alias = value;
+                    return _alias;
+                }, _alias, AliasSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Name of the Property
        /// </summary>
        [DataMember]
-        public string Name { get; set; }
+        public string Name
+        {
+            get { return _name; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Sort Order of the Property
        /// </summary>
        [DataMember]
-        public int SortOrder { get; set; }
+        public int SortOrder
+        {
+            get { return _sortOrder; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
+            }
+        }

        /// <summary>
        /// Gets or sets the Type for this Property
@@ -36,6 +81,18 @@ namespace Umbraco.Core.Models
        /// All types was previously contained in the database, but has been ported to code.
        /// </remarks>
        [DataMember]
-        public IMacroPropertyType PropertyType { get; set; }
+        public IMacroPropertyType PropertyType
+
+        {
+            get { return _propertyType; }
+            set
+            {
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _propertyType = value;
+                    return _propertyType;
+                }, _propertyType, PropertyTypeSelector);
+            }
+        }
    }
 }
@@ -1,5 +1,6 @@
 using System;
 using System.Runtime.Serialization;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -111,19 +112,11 @@ namespace Umbraco.Core.Models
        /// </summary>
        /// <param name="isTrashed">Boolean indicating whether content is trashed (true) or not trashed (false)</param>
        /// <param name="parentId"> </param>
-        public override void ChangeTrashedState(bool isTrashed, int parentId = -1)
+        public override void ChangeTrashedState(bool isTrashed, int parentId = -20)
        {
            Trashed = isTrashed;
-
-            //If Content is trashed the parent id should be set to that of the RecycleBin
-            if (isTrashed)
-            {
-                ParentId = -21;
-            }
-            else//otherwise set the parent id to the optional parameter, -1 being the fallback
-            {
-                ParentId = parentId;
-            }
+            //The Media Recycle Bin Id is -21 so we correct that here
+            ParentId = parentId == -20 ? -21 : parentId;
        }

        /// <summary>
@@ -1,5 +1,6 @@
 using System;
 using System.Runtime.Serialization;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models.Membership
 {
@@ -12,7 +13,7 @@ namespace Umbraco.Core.Models.Membership
        int SessionTimeout { get; set; }
        int StartContentId { get; set; }
        int StartMediaId { get; set; }
-        string Lanuguage { get; set; }
+        string Language { get; set; }
        bool DefaultToLiveEditing { get; set; }
        IEnumerable<string> Applications { get; set; }
        bool NoConsole { get; set; }
@@ -1,7 +1,9 @@
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models.Membership
 {
+
    internal interface IUserType : IAggregateRoot
    {
        string Alias { get; set; }
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models.Membership
 {
@@ -88,7 +89,7 @@ namespace Umbraco.Core.Models.Membership
        #region Implementation of IUser

        [DataMember]
-        public string Lanuguage { get; set; }
+        public string Language { get; set; }
        [DataMember]
        public string Permissions { get; set; }
        [DataMember]
@@ -1,6 +1,7 @@
 using System;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models.Membership
 {
@@ -2,6 +2,7 @@
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -82,8 +83,11 @@ namespace Umbraco.Core.Models
            get { return _version; }
            set
            {
-                _version = value;
-                OnPropertyChanged(VersionSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _version = value;
+                    return _version;
+                }, _version, VersionSelector);
            }
        }

@@ -108,8 +112,11 @@ namespace Umbraco.Core.Models
                            "Type validation failed. The value type: '{0}' does not match the DataType in PropertyType with alias: '{1}'",
                            value == null ? "null" : value.GetType().Name, Alias));

-                _value = value;
-                OnPropertyChanged(ValueSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _value = value;
+                    return _value;
+                }, _value, ValueSelector);
            }
        }

@@ -1,6 +1,7 @@
 using System;
 using System.Xml;
 using System.Xml.Linq;
+using Umbraco.Core.Configuration;

 namespace Umbraco.Core.Models
 {
@@ -13,11 +14,19 @@ namespace Umbraco.Core.Models
        /// <returns>Xml of the property and its value</returns>
        public static XElement ToXml(this Property property)
        {
-            string nodeName = property.Alias.ToUmbracoAlias(StringAliasCaseType.CamelCase, true);
+            string nodeName = UmbracoSettings.UseLegacyXmlSchema ? "data" : property.Alias.ToSafeAlias();

            var xd = new XmlDocument();
            XmlNode xmlNode = xd.CreateNode(XmlNodeType.Element, nodeName, "");

+            //Add the property alias to the legacy schema
+            if (UmbracoSettings.UseLegacyXmlSchema)
+            {
+                var alias = xd.CreateAttribute("alias");
+                alias.Value = property.Alias.ToSafeAlias();
+                xmlNode.Attributes.Append(alias);
+            }
+
            //This seems to fail during testing 
            xmlNode.AppendChild(property.PropertyType.DataType(property.Id).Data.ToXMl(xd));
            
@@ -3,6 +3,7 @@ using System.Collections.Specialized;
 using System.Reflection;
 using System.Runtime.Serialization;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -14,7 +15,7 @@ namespace Umbraco.Core.Models
    public class PropertyGroup : Entity, IEquatable<PropertyGroup>
    {
        private string _name;
-        private int? _parentId;
+        private Lazy<int?> _parentId;
        private int _sortOrder;
        private PropertyTypeCollection _propertyTypes;

@@ -45,21 +46,33 @@ namespace Umbraco.Core.Models
            get { return _name; }
            set
            {
-                _name = value;
-                OnPropertyChanged(NameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
            }
        }

        /// <summary>
-        /// Gets or sets the Name of the Group, which corresponds to the Tab-name in the UI
+        /// Gets or sets the Id of the Parent PropertyGroup.
        /// </summary>
+        /// <remarks>
+        /// A Parent PropertyGroup corresponds to an inherited PropertyGroup from a composition.
+        /// If a PropertyType is inserted into an inherited group then a new group will be created with an Id reference to the parent.
+        /// </remarks>
        [DataMember]
        public int? ParentId
        {
-            get { return _parentId; }
+            get
+            {
+                if (_parentId == null)
+                    return default(int?);
+                return _parentId.Value;
+            }
            set
            {
-                _parentId = value;
+                _parentId = new Lazy<int?>(() => value);
                OnPropertyChanged(ParentIdSelector);
            }
        }
@@ -73,8 +86,11 @@ namespace Umbraco.Core.Models
            get { return _sortOrder; }
            set
            {
-                _sortOrder = value;
-                OnPropertyChanged(SortOrderSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
            }
        }

@@ -92,6 +108,15 @@ namespace Umbraco.Core.Models
            }
        }

+        /// <summary>
+        /// Sets the ParentId from the lazy integer id
+        /// </summary>
+        /// <param name="id">Id of the Parent</param>
+        internal void SetLazyParentId(Lazy<int?> id)
+        {
+            _parentId = id;
+        }
+
        public bool Equals(PropertyGroup other)
        {
            //Check whether the compared object is null. 
@@ -3,6 +3,7 @@ using System.Reflection;
 using System.Runtime.Serialization;
 using System.Text.RegularExpressions;
 using Umbraco.Core.Models.EntityBase;
+using Umbraco.Core.Persistence.Mappers;

 namespace Umbraco.Core.Models
 {
@@ -18,7 +19,7 @@ namespace Umbraco.Core.Models
        private string _alias;
        private string _description;
        private int _dataTypeDefinitionId;
-        private int _propertyGroupId;
+        private Lazy<int> _propertyGroupId;
        private Guid _dataTypeId;
        private DataTypeDatabaseType _dataTypeDatabaseType;
        private bool _mandatory;
@@ -61,7 +62,7 @@ namespace Umbraco.Core.Models
        private static readonly PropertyInfo HelpTextSelector = ExpressionHelper.GetPropertyInfo<PropertyType, string>(x => x.HelpText);
        private static readonly PropertyInfo SortOrderSelector = ExpressionHelper.GetPropertyInfo<PropertyType, int>(x => x.SortOrder);
        private static readonly PropertyInfo ValidationRegExpSelector = ExpressionHelper.GetPropertyInfo<PropertyType, string>(x => x.ValidationRegExp);
-        private static readonly PropertyInfo PropertyGroupIdSelector = ExpressionHelper.GetPropertyInfo<PropertyType, int>(x => x.PropertyGroupId);
+        private static readonly PropertyInfo PropertyGroupIdSelector = ExpressionHelper.GetPropertyInfo<PropertyType, Lazy<int>>(x => x.PropertyGroupId);

        /// <summary>
        /// Gets of Sets the Name of the PropertyType
@@ -72,8 +73,11 @@ namespace Umbraco.Core.Models
            get { return _name; }
            set
            {
-                _name = value;
-                OnPropertyChanged(NameSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _name = value;
+                    return _name;
+                }, _name, NameSelector);
            }
        }

@@ -86,8 +90,11 @@ namespace Umbraco.Core.Models
            get { return _alias; }
            set
            {
-                _alias = value;
-                OnPropertyChanged(AliasSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _alias = value;
+                    return _alias;
+                }, _alias, AliasSelector);
            }
        }

@@ -100,8 +107,11 @@ namespace Umbraco.Core.Models
            get { return _description; }
            set
            {
-                _description = value;
-                OnPropertyChanged(DescriptionSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _description = value;
+                    return _description;
+                }, _description, DescriptionSelector);
            }
        }

@@ -115,8 +125,11 @@ namespace Umbraco.Core.Models
            get { return _dataTypeDefinitionId; }
            set
            {
-                _dataTypeDefinitionId = value;
-                OnPropertyChanged(DataTypeDefinitionIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _dataTypeDefinitionId = value;
+                    return _dataTypeDefinitionId;
+                }, _dataTypeDefinitionId, DataTypeDefinitionIdSelector);
            }
        }

@@ -130,8 +143,11 @@ namespace Umbraco.Core.Models
            get { return _dataTypeId; }
            internal set
            {
-                _dataTypeId = value;
-                OnPropertyChanged(DataTypeControlIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _dataTypeId = value;
+                    return _dataTypeId;
+                }, _dataTypeId, DataTypeControlIdSelector);
            }
        }

@@ -144,8 +160,11 @@ namespace Umbraco.Core.Models
            get { return _dataTypeDatabaseType; }
            set
            {
-                _dataTypeDatabaseType = value;
-                OnPropertyChanged(DataTypeDatabaseTypeSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _dataTypeDatabaseType = value;
+                    return _dataTypeDatabaseType;
+                }, _dataTypeDatabaseType, DataTypeDatabaseTypeSelector);
            }
        }

@@ -153,13 +172,16 @@ namespace Umbraco.Core.Models
        /// Gets or Sets the PropertyGroup's Id for which this PropertyType belongs
        /// </summary>
        [DataMember]
-        internal int PropertyGroupId
+        internal Lazy<int> PropertyGroupId
        {
            get { return _propertyGroupId; }
            set
            {
-                _propertyGroupId = value;
-                OnPropertyChanged(PropertyGroupIdSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _propertyGroupId = value;
+                    return _propertyGroupId;
+                }, _propertyGroupId, PropertyGroupIdSelector);
            }
        }

@@ -172,8 +194,11 @@ namespace Umbraco.Core.Models
            get { return _mandatory; }
            set
            {
-                _mandatory = value;
-                OnPropertyChanged(MandatorySelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _mandatory = value;
+                    return _mandatory;
+                }, _mandatory, MandatorySelector);
            }
        }

@@ -186,8 +211,11 @@ namespace Umbraco.Core.Models
            get { return _helpText; }
            set
            {
-                _helpText = value;
-                OnPropertyChanged(HelpTextSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _helpText = value;
+                    return _helpText;
+                }, _helpText, HelpTextSelector);
            }
        }

@@ -200,8 +228,11 @@ namespace Umbraco.Core.Models
            get { return _sortOrder; }
            set
            {
-                _sortOrder = value;
-                OnPropertyChanged(SortOrderSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _sortOrder = value;
+                    return _sortOrder;
+                }, _sortOrder, SortOrderSelector);
            }
        }

@@ -214,8 +245,11 @@ namespace Umbraco.Core.Models
            get { return _validationRegExp; }
            set
            {
-                _validationRegExp = value;
-                OnPropertyChanged(ValidationRegExpSelector);
+                SetPropertyValueAndDetectChanges(o =>
+                {
+                    _validationRegExp = value;
+                    return _validationRegExp;
+                }, _validationRegExp, ValidationRegExpSelector);
            }
        }
        //Note that Validation should eventually come from PropertyEditors like in v5
@@ -335,8 +369,8 @@ namespace Umbraco.Core.Models
            if (Mandatory && (value == null || string.IsNullOrEmpty(value.ToString())))
                return false;

-            //Check against Regular Expression for Legacy DataTypes
-            if(!string.IsNullOrEmpty(ValidationRegExp))
+            //Check against Regular Expression for Legacy DataTypes - Validation exists and value is not null:
+            if(string.IsNullOrEmpty(ValidationRegExp) == false && (value != null && string.IsNullOrEmpty(value.ToString()) == false))
            {
                var regexPattern = new Regex(ValidationRegExp);
                return regexPattern.IsMatch(value.ToString());
@@ -0,0 +1,42 @@
+using System;
+using Umbraco.Core.Persistence;
+using Umbraco.Core.Persistence.DatabaseAnnotations;
+
+namespace Umbraco.Core.Models.Rdbms
+{
+    [TableName("umbracoServer")]
+    [PrimaryKey("id")]
+    [ExplicitColumns]
+    internal class ServerRegistrationDto
+    {
+        [Column("id")]
+        [PrimaryKeyColumn(AutoIncrement = true)]
+        public int Id { get; set; }
+
+        [Column("address")]
+        [Length(500)]
+        public string Address { get; set; }
+
+        /// <summary>
+        /// A unique column in the database, a computer name must always be unique!
+        /// </summary>
+        [Column("computerName")]
+        [Length(255)]
+        [Index(IndexTypes.UniqueNonClustered, Name = "IX_computerName")]
+        public string ComputerName { get; set; }
+
+        [Column("registeredDate")]
+        [Constraint(Default = "getdate()")]
+        public DateTime DateRegistered { get; set; }
+
+        [Column("lastNotifiedDate")]
+        [Constraint(Default = "getdate()")]
+        public DateTime LastNotified { get; set; }
+
+        [Column("isActive")]
+        [Index(IndexTypes.NonClustered)]
+        public bool IsActive { get; set; }
+
+
+    }
+}
--- a/Show More
+++ b/Show More