Merge pull request #1969 from umbraco/temp-U4-9974

U4-9974 EnablePropertyValueConverter does the opposite

.gitignore

@@ -142,4 +142,6 @@ build/ui-docs.zip
 build/csharp-docs.zip
 build/msbuild.log
 .vs/
-src/packages/
+src/packages/
+build/tools/
+src/PrecompiledWeb/*

README.md

@@ -1,3 +1,5 @@
+[![Build status](https://ci.appveyor.com/api/projects/status/ikpgqxiw9v8opltv/branch/dev-v7?svg=true)](https://ci.appveyor.com/project/Umbraco/umbraco-cms-hs8dx/branch/dev-v7)
+
 Umbraco CMS
 ===========
 The friendliest, most flexible and fastest growing ASP.NET CMS used by more than 390,000 websites worldwide: [https://umbraco.com](https://umbraco.com)

build/Build.bat

@@ -113,18 +113,61 @@ REM This is necessary because SETLOCAL is on in InstallGit.cmd so that one might
 REM but the path setting is lost due to SETLOCAL 
 SET PATH="C:\Program Files (x86)\Git\cmd";"C:\Program Files\Git\cmd";%PATH%
 
+SET toolsFolder=%CD%\tools\
+IF NOT EXIST "%toolsFolder%" (
+	MD tools
+)
+
+SET nuGetExecutable=%CD%\tools\nuget.exe
+IF NOT EXIST "%nuGetExecutable%" (
+	ECHO Getting NuGet so we can fetch some tools
+	ECHO Downloading https://dist.nuget.org/win-x86-commandline/latest/nuget.exe to %nuGetExecutable%
+	powershell -Command "(New-Object Net.WebClient).DownloadFile('https://dist.nuget.org/win-x86-commandline/latest/nuget.exe', '%nuGetExecutable%')"
+)
+
+:: We need 7za.exe for BuildBelle.bat
+IF NOT EXIST "%toolsFolder%7za.exe" (
+	ECHO 7zip not found - fetching now
+	"%nuGetExecutable%" install 7-Zip.CommandLine -OutputDirectory tools -Verbosity quiet
+)
+
+:: We need vswhere.exe for VS2017+
+IF NOT EXIST "%toolsFolder%vswhere.exe" (
+	ECHO vswhere not found - fetching now
+	"%nuGetExecutable%" install vswhere -OutputDirectory tools -Verbosity quiet
+)
+
+:: Put 7za.exe and vswhere.exe in a predictable path (not version specific)
+FOR /f "delims=" %%A in ('dir "%toolsFolder%7-Zip.CommandLine.*" /b') DO SET "sevenZipExePath=%toolsFolder%%%A\"
+MOVE "%sevenZipExePath%tools\7za.exe" "%toolsFolder%7za.exe"
+
+FOR /f "delims=" %%A in ('dir "%toolsFolder%vswhere.*" /b') DO SET "vswhereExePath=%toolsFolder%%%A\"
+MOVE "%vswhereExePath%tools\vswhere.exe" "%toolsFolder%vswhere.exe"
+
 ECHO.
 ECHO Making sure we have a web.config
 IF NOT EXIST "%CD%\..\src\Umbraco.Web.UI\web.config" COPY "%CD%\..\src\Umbraco.Web.UI\web.Template.config" "%CD%\..\src\Umbraco.Web.UI\web.config"
 
+for /f "usebackq tokens=1* delims=: " %%i in (`"%CD%\tools\vswhere.exe" -latest -requires Microsoft.Component.MSBuild`) do (
+  if /i "%%i"=="installationPath" set InstallDir=%%j
+)
+
+SET VSWherePath="%InstallDir%\MSBuild"
+
+ECHO.
+ECHO Visual Studio is installed in: %InstallDir%
+
+SET MSBUILDPATH=C:\Program Files (x86)\MSBuild\14.0\Bin
+SET MSBUILD="%MSBUILDPATH%\MsBuild.exe"
+
 ECHO.
 ECHO Reporting NuGet version
-"%CD%\..\src\.nuget\NuGet.exe" help | findstr "^NuGet Version:"
+"%nuGetExecutable%" help | findstr "^NuGet Version:"
 
 ECHO.
 ECHO Restoring NuGet packages
 ECHO Into %nuGetFolder%
-"%CD%\..\src\.nuget\NuGet.exe" restore "%CD%\..\src\umbraco.sln" -Verbosity Quiet -NonInteractive -PackagesDirectory "%nuGetFolder%"
+"%nuGetExecutable%" restore "%CD%\..\src\umbraco.sln" -Verbosity Quiet -NonInteractive -PackagesDirectory "%nuGetFolder%"
 IF ERRORLEVEL 1 GOTO :error
 
 ECHO.
@@ -134,7 +177,7 @@ ECHO This takes a few minutes and logging is set to report warnings
 ECHO and errors only so it might seems like nothing is happening for a while. 
 ECHO You can check the msbuild.log file for progress.
 ECHO.
-%MSBUILD% "Build.proj" /p:BUILD_RELEASE=%RELEASE% /p:BUILD_COMMENT=%COMMENT% /p:NugetPackagesDirectory="%nuGetFolder%" /consoleloggerparameters:Summary;ErrorsOnly /fileLogger
+%MSBUILD% "Build.proj" /p:BUILD_RELEASE=%RELEASE% /p:BUILD_COMMENT=%COMMENT% /p:NugetPackagesDirectory="%nuGetFolder%" /p:VSWherePath=%VSWherePath% /consoleloggerparameters:Summary;ErrorsOnly /fileLogger
 IF ERRORLEVEL 1 GOTO error
 
 ECHO.

build/BuildBelle.bat

@@ -1,33 +1,59 @@
 @ECHO OFF
 SETLOCAL
+	:: SETLOCAL is on, so changes to the path not persist to the actual user's path
 
-SET release=%1
-ECHO Installing Npm NuGet Package
-
-SET nuGetFolder=%CD%\..\src\packages\
-ECHO Configured packages folder: %nuGetFolder%
+SET toolsFolder=%CD%\tools\
 ECHO Current folder: %CD%
 
-%CD%\..\src\.nuget\NuGet.exe install Npm.js -OutputDirectory %nuGetFolder%  -Verbosity quiet
+SET nodeFileName=node-v6.9.1-win-x86.7z
+SET nodeExtractFolder=%toolsFolder%node.js.691
 
-for /f "delims=" %%A in ('dir %nuGetFolder%node.js.* /b') do set "nodePath=%nuGetFolder%%%A\"
-for /f "delims=" %%A in ('dir %nuGetFolder%npm.js.* /b') do set "npmPath=%nuGetFolder%%%A\tools\"
+IF NOT EXIST "%nodeExtractFolder%" (
+	ECHO Downloading http://nodejs.org/dist/v6.9.1/%nodeFileName% to %toolsFolder%%nodeFileName%
+	powershell -Command "(New-Object Net.WebClient).DownloadFile('http://nodejs.org/dist/v6.9.1/%nodeFileName%', '%toolsFolder%%nodeFileName%')"
+	ECHO Extracting %nodeFileName% to %nodeExtractFolder%
+	"%toolsFolder%\7za.exe" x "%toolsFolder%\%nodeFileName%" -o"%nodeExtractFolder%" -aos > nul
+)
+FOR /f "delims=" %%A in ('dir "%nodeExtractFolder%\node*" /b') DO SET "nodePath=%nodeExtractFolder%\%%A"
 
-ECHO Adding Npm and Node to path 
-REM SETLOCAL is on, so changes to the path not persist to the actual user's path
-PATH=%npmPath%;%nodePath%;%PATH%
 
-SET buildFolder=%CD%
+SET nuGetExecutable=%CD%\tools\nuget.exe
+IF NOT EXIST "%nuGetExecutable%" (
+	ECHO Downloading https://dist.nuget.org/win-x86-commandline/latest/nuget.exe to %nuGetExecutable%
+	powershell -Command "(New-Object Net.WebClient).DownloadFile('https://dist.nuget.org/win-x86-commandline/latest/nuget.exe', '%nuGetExecutable%')"
+)
 
-ECHO Change directory to %CD%\..\src\Umbraco.Web.UI.Client\
-CD %CD%\..\src\Umbraco.Web.UI.Client\
+SET drive=%CD:~0,2%
+SET nuGetFolder=%drive%\packages\
+FOR /f "delims=" %%A in ('dir "%nuGetFolder%npm.*" /b') DO SET "npmPath=%nuGetFolder%%%A\"
 
-ECHO Do npm install and the grunt build of Belle
-call npm cache clean --quiet
-call npm install --quiet
-call npm install -g grunt-cli --quiet
-call npm install -g bower --quiet
-call grunt build --buildversion=%release%
+IF [%npmPath%] == [] GOTO :installnpm 
+IF NOT [%npmPath%] == [] GOTO :build
 
-ECHO Move back to the build folder
-CD %buildFolder% 
+:installnpm
+	ECHO Downloading npm
+	ECHO Configured packages folder: %nuGetFolder%	
+	ECHO Installing Npm NuGet Package
+	"%nuGetExecutable%" install Npm -OutputDirectory %nuGetFolder% -Verbosity detailed
+	REM Ensures that we look for the just downloaded NPM, not whatever the user has installed on their machine
+	FOR /f "delims=" %%A in ('dir %nuGetFolder%npm.* /b') DO SET "npmPath=%nuGetFolder%%%A\"
+	GOTO :build
+
+:build
+    ECHO Adding Npm and Node to path 
+    REM SETLOCAL is on, so changes to the path not persist to the actual user's path
+    PATH="%npmPath%";"%nodePath%";%PATH%
+    SET buildFolder=%CD%
+
+    ECHO Change directory to %CD%\..\src\Umbraco.Web.UI.Client\
+    CD %CD%\..\src\Umbraco.Web.UI.Client\
+
+    ECHO Do npm install and the grunt build of Belle
+    call npm cache clean --quiet
+    call npm install --quiet
+    call npm install -g grunt-cli --quiet
+    call npm install -g bower --quiet
+    call grunt build --buildversion=%release%
+
+    ECHO Move back to the build folder
+    CD "%buildFolder%"

build/BuildDocs.ps1

@@ -57,6 +57,20 @@ $IndexPath = "../src/umbraco.web.ui.client/docs/api/index.html"
 
 # Build the solution in debug mode
 $SolutionPath = Join-Path -Path $SolutionRoot -ChildPath "umbraco.sln"
+
+# Go get nuget.exe if we don't hae it
+$NuGet = "$ToolsRoot\nuget.exe"
+$FileExists = Test-Path $NuGet
+If ($FileExists -eq $False) {
+	Write-Host "Retrieving nuget.exe..."
+	$SourceNugetExe = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
+	Invoke-WebRequest $SourceNugetExe -OutFile $NuGet
+}
+
+#restore nuget packages
+Write-Host "Restoring nuget packages..."
+& $NuGet restore $SolutionPath
+
 & $MSBuild "$SolutionPath" /p:Configuration=Debug /maxcpucount /t:Clean
 if (-not $?)
 {

build/NuSpecs/UmbracoCms.Core.nuspec

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
-  <metadata>
+  <metadata minClientVersion="3.4.4">
     <id>UmbracoCms.Core</id>
     <version>7.0.0</version>
     <title>Umbraco Cms Core Binaries</title>
@@ -37,8 +37,8 @@
       <dependency id="Examine" version="[0.1.82, 1.0.0)" />
       <dependency id="ImageProcessor" version="[2.5.3, 3.0.0)" />
       <dependency id="ImageProcessor.Web" version="[4.8.3, 5.0.0)" />
-      <dependency id="semver" version="[2.0.4, 3.0.0)" />
-	  <!-- Markdown can not be updated due to: https://github.com/hey-red/markdownsharp/issues/71#issuecomment-233585487 -->
+      <dependency id="semver" version="[1.1.2, 3.0.0)" />
+	    <!-- Markdown can not be updated due to: https://github.com/hey-red/markdownsharp/issues/71#issuecomment-233585487 -->
       <dependency id="Markdown" version="[1.14.7, 2.0.0)" />
       <dependency id="System.Threading.Tasks.Dataflow" version="[4.7.0, 5.0.0)" />
     </dependencies>

build/NuSpecs/UmbracoCms.nuspec

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
-  <metadata minClientVersion="2.8">
+  <metadata minClientVersion="3.4.4">
     <id>UmbracoCms</id>
     <version>7.0.0</version>
     <title>Umbraco Cms</title>
@@ -19,7 +19,7 @@
       <dependency id="Newtonsoft.Json" version="[10.0.2, 11.0.0)" />
       <dependency id="Umbraco.ModelsBuilder" version="[3.0.7, 4.0.0)" />
       <dependency id="Microsoft.AspNet.SignalR.Core" version="[2.2.1, 3.0.0)" />
-	  <dependency id="ImageProcessor.Web.Config" version="[2.3.0, 3.0.0)" />
+	    <dependency id="ImageProcessor.Web.Config" version="[2.3.0, 3.0.0)" />
     </dependencies>
   </metadata>
   <files>

build/NuSpecs/tools/Web.config.install.xdt

@@ -332,6 +332,7 @@
       <dependentAssembly xdt:Locator="Condition(./_defaultNamespace:assemblyIdentity/@name='System.Net.Http.Formatting')" xdt:Transform="Remove" />
       <dependentAssembly xdt:Locator="Condition(./_defaultNamespace:assemblyIdentity/@name='Microsoft.CodeAnalysis.CSharp')" xdt:Transform="Remove" />
       <dependentAssembly xdt:Locator="Condition(./_defaultNamespace:assemblyIdentity/@name='log4net')" xdt:Transform="Remove" />
+      <dependentAssembly xdt:Locator="Condition(./_defaultNamespace:assemblyIdentity/@name='System.Data.SqlServerCe')" xdt:Transform="Remove" />
     </assemblyBinding>
   </runtime>
 
@@ -389,6 +390,10 @@
         <assemblyIdentity name="log4net" publicKeyToken="669e0ddf0bb1aa2a" culture="neutral"/>
         <bindingRedirect oldVersion="0.0.0.0-2.0.8.0" newVersion="2.0.8.0"/>
       </dependentAssembly>
+      <dependentAssembly xdt:Transform="Insert">
+        <assemblyIdentity name="System.Data.SqlServerCe" publicKeyToken="89845DCD8080CC91" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.1" newVersion="4.0.0.1"/>
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 

build/UmbracoVersion.txt

@@ -1,3 +1,2 @@
 # Usage: on line 2 put the release version, on line 3 put the version comment (example: beta)
-7.6.0
-RC2
+7.6.3

src/SolutionInfo.cs

@@ -11,5 +11,5 @@ using System.Resources;
 
 [assembly: AssemblyVersion("1.0.*")]
 
-[assembly: AssemblyFileVersion("7.6.0")]
-[assembly: AssemblyInformationalVersion("7.6.0-RC2")]
+[assembly: AssemblyFileVersion("7.6.3")]
+[assembly: AssemblyInformationalVersion("7.6.3")]

src/Umbraco.Core/Configuration/UmbracoSettings/ContentElement.cs

@@ -139,6 +139,12 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         internal CommaDelimitedConfigurationElement DisallowedUploadFiles
         {
             get { return GetOptionalDelimitedElement("disallowedUploadFiles", new[] {"ashx", "aspx", "ascx", "config", "cshtml", "vbhtml", "asmx", "air", "axd"}); }
+        }
+
+        [ConfigurationProperty("allowedUploadFiles")]
+        internal CommaDelimitedConfigurationElement AllowedUploadFiles
+        {
+            get { return GetOptionalDelimitedElement("allowedUploadFiles", new string[0]); }
         }
 
         [ConfigurationProperty("cloneXmlContent")]
@@ -307,6 +313,11 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         IEnumerable<string> IContentSection.DisallowedUploadFiles
         {
             get { return DisallowedUploadFiles; }
+        }
+
+        IEnumerable<string> IContentSection.AllowedUploadFiles
+        {
+            get { return AllowedUploadFiles; }
         }
 
         bool IContentSection.CloneXmlContent

src/Umbraco.Core/Configuration/UmbracoSettings/ContentSectionExtensions.cs

@@ -0,0 +1,19 @@
+using System.Linq;
+
+namespace Umbraco.Core.Configuration.UmbracoSettings
+{
+    public static class ContentSectionExtensions
+    {
+        /// <summary>
+        /// Determines if file extension is allowed for upload based on (optional) white list and black list
+        /// held in settings.
+        /// Allow upload if extension is whitelisted OR if there is no whitelist and extension is NOT blacklisted.
+        /// </summary>
+        public static bool IsFileAllowedForUpload(this IContentSection contentSection, string extension)
+        {
+            return contentSection.AllowedUploadFiles.Any(x => x.InvariantEquals(extension)) ||
+                (contentSection.AllowedUploadFiles.Any() == false &&
+                contentSection.DisallowedUploadFiles.Any(x => x.InvariantEquals(extension)) == false);
+        }
+    }
+}

src/Umbraco.Core/Configuration/UmbracoSettings/IContentSection.cs

@@ -52,7 +52,9 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
 
         MacroErrorBehaviour MacroErrorBehaviour { get; }
         
-        IEnumerable<string> DisallowedUploadFiles { get; }
+        IEnumerable<string> DisallowedUploadFiles { get; }
+
+        IEnumerable<string> AllowedUploadFiles { get; }
 
         bool CloneXmlContent { get; }
 

src/Umbraco.Core/Configuration/UmbracoSettings/IRepository.cs

@@ -8,6 +8,7 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
         Guid Id { get;  }
         string RepositoryUrl { get; }
         string WebServiceUrl { get; }
-        bool HasCustomWebServiceUrl { get; }
+        bool HasCustomWebServiceUrl { get; }
+        string RestApiUrl { get; }
     }
 }

src/Umbraco.Core/Configuration/UmbracoSettings/RepositoryConfigExtensions.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Linq;
+
+namespace Umbraco.Core.Configuration.UmbracoSettings
+{
+    public static class RepositoryConfigExtensions
+    {
+        //Our package repo
+        private static readonly Guid RepoGuid = new Guid("65194810-1f85-11dd-bd0b-0800200c9a66");
+
+        public static IRepository GetDefault(this IRepositoriesSection repos)
+        {
+            var found = repos.Repositories.FirstOrDefault(x => x.Id == RepoGuid);
+            if (found == null)
+                throw new InvalidOperationException("No default package repository found with id " + RepoGuid);
+            return found;
+        }
+    }
+}

src/Umbraco.Core/Configuration/UmbracoSettings/RepositoryElement.cs

@@ -38,9 +38,16 @@ namespace Umbraco.Core.Configuration.UmbracoSettings
             get
             {
                 var prop = Properties["webserviceurl"];
-                var repoUrl = this[prop] as ConfigurationElement;
-                return (repoUrl != null && repoUrl.ElementInformation.IsPresent);
+                return (string) prop.DefaultValue != (string) this[prop];                
             }
         }
+
+        [ConfigurationProperty("restapiurl", DefaultValue = "https://our.umbraco.org/webapi/packages/v1")]
+        public string RestApiUrl
+        {
+            get { return (string)base["restapiurl"]; }
+            set { base["restapiurl"] = value; }
+        }
+        
     }
 }

src/Umbraco.Core/Configuration/UmbracoVersion.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Core.Configuration
 {
     public class UmbracoVersion
     {
-        private static readonly Version Version = new Version("7.6.0");
+        private static readonly Version Version = new Version("7.6.3");
 
         /// <summary>
         /// Gets the current version of Umbraco.
@@ -24,7 +24,7 @@ namespace Umbraco.Core.Configuration
         /// Gets the version comment (like beta or RC).
         /// </summary>
         /// <value>The version comment.</value>
-        public static string CurrentComment { get { return "RC2"; } }
+        public static string CurrentComment { get { return ""; } }
 
         // 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

src/Umbraco.Core/Events/CancellableObjectEventArgs.cs

@@ -1,85 +1,177 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using System.Security.Permissions;
 using Umbraco.Core.Models;
 using Umbraco.Core.Models.EntityBase;
 
 namespace Umbraco.Core.Events
 {
-	/// <summary>
-	/// Event args for a strongly typed object that can support cancellation
-	/// </summary>
-	/// <typeparam name="T"></typeparam>
-	[HostProtection(SecurityAction.LinkDemand, SharedState = true)]
-	public class CancellableObjectEventArgs<T> : CancellableEventArgs, IEquatable<CancellableObjectEventArgs<T>>
-	{
-	    public CancellableObjectEventArgs(T eventObject, bool canCancel, EventMessages messages, IDictionary<string, object> additionalData)
+    /// <summary>
+    /// Used as a base class for the generic type CancellableObjectEventArgs{T} so that we can get direct 'object' access to the underlying EventObject
+    /// </summary>
+    [HostProtection(SecurityAction.LinkDemand, SharedState = true)]
+    public abstract class CancellableObjectEventArgs : CancellableEventArgs
+    {
+        protected CancellableObjectEventArgs(object eventObject, bool canCancel, EventMessages messages, IDictionary<string, object> additionalData)
             : base(canCancel, messages, additionalData)
-	    {
+        {
             EventObject = eventObject;
         }
 
-	    public CancellableObjectEventArgs(T eventObject, bool canCancel, EventMessages eventMessages)
+        protected CancellableObjectEventArgs(object eventObject, bool canCancel, EventMessages eventMessages)
             : base(canCancel, eventMessages)
         {
             EventObject = eventObject;
         }
 
-        public CancellableObjectEventArgs(T eventObject, EventMessages eventMessages)
+        protected CancellableObjectEventArgs(object eventObject, EventMessages eventMessages)
             : this(eventObject, true, eventMessages)
         {
         }
 
+        protected CancellableObjectEventArgs(object eventObject, bool canCancel)
+            : base(canCancel)
+        {
+            EventObject = eventObject;
+        }
+
+        protected CancellableObjectEventArgs(object eventObject)
+            : this(eventObject, true)
+        {
+        }
+
+        /// <summary>
+        /// Returns the object relating to the event
+        /// </summary>
+        /// <remarks>
+        /// This is protected so that inheritors can expose it with their own name
+        /// </remarks>
+        internal object EventObject { get; set; }
+
+    }
+
+    /// <summary>
+    /// Event args for a strongly typed object that can support cancellation
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    [HostProtection(SecurityAction.LinkDemand, SharedState = true)]
+    public class CancellableObjectEventArgs<T> : CancellableObjectEventArgs, IEquatable<CancellableObjectEventArgs<T>>
+    {
+        public CancellableObjectEventArgs(T eventObject, bool canCancel, EventMessages messages, IDictionary<string, object> additionalData)
+            : base(eventObject, canCancel, messages, additionalData)
+        {
+        }
+
+        public CancellableObjectEventArgs(T eventObject, bool canCancel, EventMessages eventMessages)
+            : base(eventObject, canCancel, eventMessages)
+        {
+        }
+
+        public CancellableObjectEventArgs(T eventObject, EventMessages eventMessages)
+            : base(eventObject, eventMessages)
+        {
+        }
+
         public CancellableObjectEventArgs(T eventObject, bool canCancel)
-			: base(canCancel)
-		{
-			EventObject = eventObject;
-		}
+            : base(eventObject, canCancel)
+        {
+        }
 
-		public CancellableObjectEventArgs(T eventObject)
-			: this(eventObject, true)
-		{
-		}
+        public CancellableObjectEventArgs(T eventObject)
+            : base(eventObject)
+        {
+        }
 
-		/// <summary>
-		/// Returns the object relating to the event
-		/// </summary>
-		/// <remarks>
-		/// This is protected so that inheritors can expose it with their own name
-		/// </remarks>
-		protected T EventObject { get; set; }
+        /// <summary>
+        /// Returns the object relating to the event
+        /// </summary>
+        /// <remarks>
+        /// This is protected so that inheritors can expose it with their own name
+        /// </remarks>
+        protected new T EventObject
+        {
+            get { return (T) base.EventObject; }
+            set { base.EventObject = value; }
+        }
 
-	    public bool Equals(CancellableObjectEventArgs<T> other)
-	    {
-	        if (ReferenceEquals(null, other)) return false;
-	        if (ReferenceEquals(this, other)) return true;
-	        return base.Equals(other) && EqualityComparer<T>.Default.Equals(EventObject, other.EventObject);
-	    }
+        public bool Equals(CancellableObjectEventArgs<T> other)
+        {
+            if (ReferenceEquals(null, other)) return false;
+            if (ReferenceEquals(this, other)) return true;
+            return base.Equals(other) && EqualityComparer<T>.Default.Equals(EventObject, other.EventObject);
+        }
 
-	    public override bool Equals(object obj)
-	    {
-	        if (ReferenceEquals(null, obj)) return false;
-	        if (ReferenceEquals(this, obj)) return true;
-	        if (obj.GetType() != this.GetType()) return false;
-	        return Equals((CancellableObjectEventArgs<T>) obj);
-	    }
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj)) return false;
+            if (ReferenceEquals(this, obj)) return true;
+            if (obj.GetType() != this.GetType()) return false;
+            return Equals((CancellableObjectEventArgs<T>)obj);
+        }
 
-	    public override int GetHashCode()
-	    {
-	        unchecked
-	        {
-	            return (base.GetHashCode() * 397) ^ EqualityComparer<T>.Default.GetHashCode(EventObject);
-	        }
-	    }
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (base.GetHashCode() * 397) ^ EqualityComparer<T>.Default.GetHashCode(EventObject);
+            }
+        }
 
-	    public static bool operator ==(CancellableObjectEventArgs<T> left, CancellableObjectEventArgs<T> right)
-	    {
-	        return Equals(left, right);
-	    }
+        public static bool operator ==(CancellableObjectEventArgs<T> left, CancellableObjectEventArgs<T> right)
+        {
+            return Equals(left, right);
+        }
 
-	    public static bool operator !=(CancellableObjectEventArgs<T> left, CancellableObjectEventArgs<T> right)
-	    {
-	        return !Equals(left, right);
-	    }
-	}
+        public static bool operator !=(CancellableObjectEventArgs<T> left, CancellableObjectEventArgs<T> right)
+        {
+            return !Equals(left, right);
+        }
+    }
+
+    [HostProtection(SecurityAction.LinkDemand, SharedState = true)]
+    public class CancellableEnumerableObjectEventArgs<T> : CancellableObjectEventArgs<IEnumerable<T>>, IEquatable<CancellableEnumerableObjectEventArgs<T>>
+    {
+        public CancellableEnumerableObjectEventArgs(IEnumerable<T> eventObject, bool canCancel, EventMessages messages, IDictionary<string, object> additionalData)
+            : base(eventObject, canCancel, messages, additionalData)
+        { }
+
+        public CancellableEnumerableObjectEventArgs(IEnumerable<T> eventObject, bool canCancel, EventMessages eventMessages)
+            : base(eventObject, canCancel, eventMessages)
+        { }
+
+        public CancellableEnumerableObjectEventArgs(IEnumerable<T> eventObject, EventMessages eventMessages)
+            : base(eventObject, eventMessages)
+        { }
+
+        public CancellableEnumerableObjectEventArgs(IEnumerable<T> eventObject, bool canCancel)
+            : base(eventObject, canCancel)
+        { }
+
+        public CancellableEnumerableObjectEventArgs(IEnumerable<T> eventObject)
+            : base(eventObject)
+        { }
+
+        public bool Equals(CancellableEnumerableObjectEventArgs<T> other)
+        {
+            if (ReferenceEquals(null, other)) return false;
+            if (ReferenceEquals(this, other)) return true;
+
+            return EventObject.SequenceEqual(other.EventObject);
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj)) return false;
+            if (ReferenceEquals(this, obj)) return true;
+            if (obj.GetType() != this.GetType()) return false;
+            return Equals((CancellableEnumerableObjectEventArgs<T>)obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return HashCodeHelper.GetHashCode(EventObject);
+        }
+    }
 }

src/Umbraco.Core/Events/DeleteEventArgs.cs

@@ -1,9 +1,14 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Umbraco.Core.Events
 {
-    public class DeleteEventArgs<TEntity> : CancellableObjectEventArgs<IEnumerable<TEntity>>, IEquatable<DeleteEventArgs<TEntity>>, IDeletingMediaFilesEventArgs
+    [SupersedeEvent(typeof(SaveEventArgs<>))]
+    [SupersedeEvent(typeof(PublishEventArgs<>))]
+    [SupersedeEvent(typeof(MoveEventArgs<>))]
+    [SupersedeEvent(typeof(CopyEventArgs<>))]
+    public class DeleteEventArgs<TEntity> : CancellableEnumerableObjectEventArgs<TEntity>, IEquatable<DeleteEventArgs<TEntity>>, IDeletingMediaFilesEventArgs
 	{
 	    /// <summary>
 	    /// Constructor accepting multiple entities that are used in the delete operation
@@ -106,7 +111,7 @@ namespace Umbraco.Core.Events
 	    {
 	        if (ReferenceEquals(null, other)) return false;
 	        if (ReferenceEquals(this, other)) return true;
-	        return base.Equals(other) && MediaFilesToDelete.Equals(other.MediaFilesToDelete);
+	        return base.Equals(other) && MediaFilesToDelete.SequenceEqual(other.MediaFilesToDelete);
 	    }
 
 	    public override bool Equals(object obj)

src/Umbraco.Core/Events/ImportEventArgs.cs

@@ -4,7 +4,7 @@ using System.Xml.Linq;
 
 namespace Umbraco.Core.Events
 {
-    public class ImportEventArgs<TEntity> : CancellableObjectEventArgs<IEnumerable<TEntity>>, IEquatable<ImportEventArgs<TEntity>>
+    public class ImportEventArgs<TEntity> : CancellableEnumerableObjectEventArgs<TEntity>, IEquatable<ImportEventArgs<TEntity>>
     {
         /// <summary>
         /// Constructor accepting an XElement with the xml being imported

src/Umbraco.Core/Events/ImportPackageEventArgs.cs

@@ -4,7 +4,7 @@ using Umbraco.Core.Packaging.Models;
 
 namespace Umbraco.Core.Events
 {
-    internal class ImportPackageEventArgs<TEntity> : CancellableObjectEventArgs<IEnumerable<TEntity>>, IEquatable<ImportPackageEventArgs<TEntity>>
+    internal class ImportPackageEventArgs<TEntity> : CancellableEnumerableObjectEventArgs<TEntity>, IEquatable<ImportPackageEventArgs<TEntity>>
     {
         private readonly MetaData _packageMetaData;
 
@@ -32,7 +32,8 @@ namespace Umbraco.Core.Events
         public bool Equals(ImportPackageEventArgs<TEntity> other)
         {
             if (ReferenceEquals(null, other)) return false;
-            if (ReferenceEquals(this, other)) return true;
+            if (ReferenceEquals(this, other)) return true;
+            //TODO: MetaData for package metadata has no equality operators :/
             return base.Equals(other) && _packageMetaData.Equals(other._packageMetaData);
         }
 

src/Umbraco.Core/Events/PassThroughEventDispatcher.cs

@@ -5,8 +5,10 @@ using System.Linq;
 namespace Umbraco.Core.Events
 {
     /// <summary>
-    /// This event manager supports event cancellation and will raise the events as soon as they are tracked, it does not store tracked events
+    /// An IEventDispatcher that immediately raise all events.
     /// </summary>
+    /// <remarks>This means that events will be raised during the scope transaction,
+    /// whatever happens, and the transaction could roll back in the end.</remarks>
     internal class PassThroughEventDispatcher : IEventDispatcher
     {
         public bool DispatchCancelable(EventHandler eventHandler, object sender, CancellableEventArgs args, string eventName = null)

src/Umbraco.Core/Events/PublishEventArgs.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace Umbraco.Core.Events
 {
-    public class PublishEventArgs<TEntity> : CancellableObjectEventArgs<IEnumerable<TEntity>>, IEquatable<PublishEventArgs<TEntity>>
+    public class PublishEventArgs<TEntity> : CancellableEnumerableObjectEventArgs<TEntity>, IEquatable<PublishEventArgs<TEntity>>
     {
         /// <summary>
         /// Constructor accepting multiple entities that are used in the publish operation

src/Umbraco.Core/Events/SaveEventArgs.cs

@@ -1,8 +1,9 @@
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Umbraco.Core.Events
 {
-	public class SaveEventArgs<TEntity> : CancellableObjectEventArgs<IEnumerable<TEntity>>
+	public class SaveEventArgs<TEntity> : CancellableEnumerableObjectEventArgs<TEntity>
 	{
         /// <summary>
         /// Constructor accepting multiple entities that are used in the saving operation
@@ -116,7 +117,5 @@ namespace Umbraco.Core.Events
 		{
 			get { return EventObject; }
 		}
-
-
 	}
 }

src/Umbraco.Core/Events/ScopeEventDispatcher.cs

@@ -3,11 +3,9 @@ using Umbraco.Core.IO;
 namespace Umbraco.Core.Events
 {
     /// <summary>
-    /// This event manager is created for each scope and is aware of if it is nested in an outer scope
+    /// An IEventDispatcher that queues events, and raise them when the scope
+    /// exits and has been completed.
     /// </summary>
-    /// <remarks>
-    /// The outer scope is the only scope that can raise events, the inner scope's will defer to the outer scope
-    /// </remarks>
     internal class ScopeEventDispatcher : ScopeEventDispatcherBase
     {
         public ScopeEventDispatcher()

src/Umbraco.Core/Events/ScopeEventDispatcherBase.cs

@@ -1,11 +1,23 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
+using Umbraco.Core.Models.EntityBase;
 
 namespace Umbraco.Core.Events
 {
+    /// <summary>
+    /// An IEventDispatcher that queues events.
+    /// </summary>
+    /// <remarks>
+    /// <para>Can raise, or ignore, cancelable events, depending on option.</para>
+    /// <para>Implementations must override ScopeExitCompleted to define what
+    /// to do with the events when the scope exits and has been completed.</para>
+    /// <para>If the scope exits without being completed, events are ignored.</para>
+    /// </remarks>
     public abstract class ScopeEventDispatcherBase : IEventDispatcher
     {
+        //events will be enlisted in the order they are raised
         private List<IEventDefinition> _events;
         private readonly bool _raiseCancelable;
 
@@ -64,29 +76,263 @@ namespace Umbraco.Core.Events
         {
             if (_events == null)
                 return Enumerable.Empty<IEventDefinition>();
-
+            
             switch (filter)
             {
                 case EventDefinitionFilter.All:
-                    return _events;
+                    return FilterSupersededAndUpdateToLatestEntity(_events);
                 case EventDefinitionFilter.FirstIn:
                     var l1 = new OrderedHashSet<IEventDefinition>();
                     foreach (var e in _events)
                     {
                         l1.Add(e);
                     }
-                    return l1;
+                    return FilterSupersededAndUpdateToLatestEntity(l1);
                 case EventDefinitionFilter.LastIn:
                     var l2 = new OrderedHashSet<IEventDefinition>(keepOldest: false);
                     foreach (var e in _events)
                     {
                         l2.Add(e);
                     }
-                    return l2;
+                    return FilterSupersededAndUpdateToLatestEntity(l2);
                 default:
                     throw new ArgumentOutOfRangeException("filter", filter, null);
             }
         }
+        
+        private class EventDefinitionTypeData
+        {
+            public IEventDefinition EventDefinition { get; set; }
+            public Type EventArgType { get; set; }
+            public SupersedeEventAttribute[] SupersedeAttributes { get; set; }
+        }
+        
+        /// <summary>
+        /// This will iterate over the events (latest first) and filter out any events or entities in event args that are included 
+        /// in more recent events that Supersede previous ones. For example, If an Entity has been Saved and then Deleted, we don't want
+        /// to raise the Saved event (well actually we just don't want to include it in the args for that saved event)
+        /// </summary>
+        /// <param name="events"></param>
+        /// <returns></returns>
+        private static IEnumerable<IEventDefinition> FilterSupersededAndUpdateToLatestEntity(IReadOnlyList<IEventDefinition> events)
+        {
+            //used to keep the 'latest' entity and associated event definition data
+            var allEntities = new List<Tuple<IEntity, EventDefinitionTypeData>>();
+
+            //tracks all CancellableObjectEventArgs instances in the events which is the only type of args we can work with
+            var cancelableArgs = new List<CancellableObjectEventArgs>();
+
+            var result = new List<IEventDefinition>();
+
+            //This will eagerly load all of the event arg types and their attributes so we don't have to continuously look this data up
+            var allArgTypesWithAttributes = events.Select(x => x.Args.GetType())
+                .Distinct()
+                .ToDictionary(x => x, x => x.GetCustomAttributes<SupersedeEventAttribute>(false).ToArray());
+               
+            //Iterate all events and collect the actual entities in them and relates them to their corresponding EventDefinitionTypeData
+            //we'll process the list in reverse because events are added in the order they are raised and we want to filter out
+            //any entities from event args that are not longer relevant 
+            //(i.e. if an item is Deleted after it's Saved, we won't include the item in the Saved args)
+            for (var index = events.Count - 1; index >= 0; index--)
+            {
+                var eventDefinition = events[index];
+
+                var argType = eventDefinition.Args.GetType();
+                var attributes = allArgTypesWithAttributes[eventDefinition.Args.GetType()];
+
+                var meta = new EventDefinitionTypeData
+                {
+                    EventDefinition = eventDefinition,
+                    EventArgType = argType,
+                    SupersedeAttributes = attributes
+                };
+
+                var args = eventDefinition.Args as CancellableObjectEventArgs;
+                if (args != null)
+                {
+                    var list = TypeHelper.CreateGenericEnumerableFromObject(args.EventObject);
+
+                    if (list == null)
+                    {
+                        //extract the event object
+                        var obj = args.EventObject as IEntity;
+                        if (obj != null)
+                        {
+                            //Now check if this entity already exists in other event args that supersede this current event arg type
+                            if (IsFiltered(obj, meta, allEntities) == false)
+                            {
+                                //if it's not filtered we can adde these args to the response
+                                cancelableArgs.Add(args);
+                                result.Add(eventDefinition);
+                                //track the entity
+                                allEntities.Add(Tuple.Create(obj, meta));
+                            }
+                        }
+                        else
+                        {
+                            //Can't retrieve the entity so cant' filter or inspect, just add to the output
+                            result.Add(eventDefinition);                            
+                        }
+                    }
+                    else
+                    {
+                        var toRemove = new List<IEntity>();
+                        foreach (var entity in list)
+                        {
+                            //extract the event object
+                            var obj = entity as IEntity;
+                            if (obj != null)
+                            {
+                                //Now check if this entity already exists in other event args that supersede this current event arg type
+                                if (IsFiltered(obj, meta, allEntities))
+                                {
+                                    //track it to be removed
+                                    toRemove.Add(obj);
+                                }
+                                else
+                                {
+                                    //track the entity, it's not filtered
+                                    allEntities.Add(Tuple.Create(obj, meta));
+                                }
+                            }
+                            else
+                            {
+                                //we don't need to do anything here, we can't cast to IEntity so we cannot filter, so it will just remain in the list
+                            }
+                        }
+
+                        //remove anything that has been filtered
+                        foreach (var entity in toRemove)
+                        {
+                            list.Remove(entity);
+                        }
+
+                        //track the event and include in the response if there's still entities remaining in the list
+                        if (list.Count > 0)
+                        {
+                            if (toRemove.Count > 0)
+                            {
+                                //re-assign if the items have changed
+                                args.EventObject = list;
+                            }
+                            cancelableArgs.Add(args);
+                            result.Add(eventDefinition);
+                        }
+                    }
+                }
+                else
+                {
+                    //it's not a cancelable event arg so we just include it in the result
+                    result.Add(eventDefinition);
+                }
+            }
+
+            //Now we'll deal with ensuring that only the latest(non stale) entities are used throughout all event args
+            UpdateToLatestEntities(allEntities, cancelableArgs);
+
+            //we need to reverse the result since we've been adding by latest added events first!
+            result.Reverse();
+
+            return result;
+        }
+
+        private static void UpdateToLatestEntities(IEnumerable<Tuple<IEntity, EventDefinitionTypeData>> allEntities, IEnumerable<CancellableObjectEventArgs> cancelableArgs)
+        {
+            //Now we'll deal with ensuring that only the latest(non stale) entities are used throughout all event args
+
+            var latestEntities = new OrderedHashSet<IEntity>(keepOldest: true);
+            foreach (var entity in allEntities.OrderByDescending(entity => entity.Item1.UpdateDate))
+            {
+                latestEntities.Add(entity.Item1);
+            }
+
+            foreach (var args in cancelableArgs)
+            {
+                var list = TypeHelper.CreateGenericEnumerableFromObject(args.EventObject);
+                if (list == null)
+                {
+                    //try to find the args entity in the latest entity - based on the equality operators, this will 
+                    //match by Id since that is the default equality checker for IEntity. If one is found, than it is 
+                    //the most recent entity instance so update the args with that instance so we don't emit a stale instance.
+                    var foundEntity = latestEntities.FirstOrDefault(x => Equals(x, args.EventObject));
+                    if (foundEntity != null)
+                    {
+                        args.EventObject = foundEntity;
+                    }
+                }
+                else
+                {
+                    var updated = false;
+
+                    for (int i = 0; i < list.Count; i++)
+                    {
+                        //try to find the args entity in the latest entity - based on the equality operators, this will 
+                        //match by Id since that is the default equality checker for IEntity. If one is found, than it is 
+                        //the most recent entity instance so update the args with that instance so we don't emit a stale instance.
+                        var foundEntity = latestEntities.FirstOrDefault(x => Equals(x, list[i]));
+                        if (foundEntity != null)
+                        {
+                            list[i] = foundEntity;
+                            updated = true;
+                        }
+                    }
+
+                    if (updated)
+                    {
+                        args.EventObject = list;
+                    }
+                }
+            }
+        }
+
+        /// <summary>
+        /// This will check against all of the processed entity/events (allEntities) to see if this entity already exists in 
+        /// event args that supersede the event args being passed in and if so returns true.
+        /// </summary>
+        /// <param name="entity"></param>
+        /// <param name="eventDef"></param>
+        /// <param name="allEntities"></param>
+        /// <returns></returns>
+        private static bool IsFiltered(
+            IEntity entity,
+            EventDefinitionTypeData eventDef,
+            List<Tuple<IEntity, EventDefinitionTypeData>> allEntities)
+        {
+            var argType = eventDef.EventDefinition.Args.GetType();
+
+            //check if the entity is found in any processed event data that could possible supersede this one
+            var foundByEntity = allEntities
+                .Where(x => x.Item2.SupersedeAttributes.Length > 0
+                            //if it's the same arg type than it cannot supersede                
+                            && x.Item2.EventArgType != argType
+                            && Equals(x.Item1, entity))
+                .ToArray();
+
+            //no args have been processed with this entity so it should not be filtered
+            if (foundByEntity.Length == 0)
+                return false;
+
+            if (argType.IsGenericType)
+            {
+                var supercededBy = foundByEntity
+                    .FirstOrDefault(x =>
+                        x.Item2.SupersedeAttributes.Any(y =>
+                            //if the attribute type is a generic type def then compare with the generic type def of the event arg
+                                (y.SupersededEventArgsType.IsGenericTypeDefinition && y.SupersededEventArgsType == argType.GetGenericTypeDefinition())
+                                //if the attribute type is not a generic type def then compare with the normal type of the event arg
+                                || (y.SupersededEventArgsType.IsGenericTypeDefinition == false && y.SupersededEventArgsType == argType)));
+                return supercededBy != null;
+            }
+            else
+            {
+                var supercededBy = foundByEntity
+                    .FirstOrDefault(x =>
+                        x.Item2.SupersedeAttributes.Any(y =>
+                            //since the event arg type is not a generic type, then we just compare type 1:1
+                                y.SupersededEventArgsType == argType));
+                return supercededBy != null;
+            }
+        }
 
         public void ScopeExit(bool completed)
         {

src/Umbraco.Core/Events/SupersedeEventAttribute.cs

@@ -0,0 +1,20 @@
+using System;
+
+namespace Umbraco.Core.Events
+{
+    /// <summary>
+    /// This is used to know if the event arg attributed should supersede another event arg type when 
+    /// tracking events for the same entity. If one event args supercedes another then the event args that have been superseded
+    /// will mean that the event will not be dispatched or the args will be filtered to exclude the entity.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+    internal class SupersedeEventAttribute : Attribute
+    {
+        public Type SupersededEventArgsType { get; private set; }
+
+        public SupersedeEventAttribute(Type supersededEventArgsType)
+        {
+            SupersededEventArgsType = supersededEventArgsType;
+        }
+    }
+}

src/Umbraco.Core/Exceptions/ConnectionException.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Umbraco.Core.Exceptions
+{
+    internal class ConnectionException : Exception
+    {
+        public ConnectionException(string message, Exception innerException) : base(message, innerException)
+        {
+            
+        }
+    }
+}

src/Umbraco.Core/Exceptions/DataOperationException.cs

@@ -7,7 +7,7 @@ namespace Umbraco.Core.Exceptions
         public T Operation { get; private set; }
 
         public DataOperationException(T operation, string message)
-            :base(message)
+            : base(message)
         {
             Operation = operation;
         }

src/Umbraco.Core/HashCodeCombiner.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Globalization;
 using System.IO;
 using System.Linq;
@@ -7,32 +6,32 @@ using System.Text;
 
 namespace Umbraco.Core
 {
-	/// <summary>
-	/// Used to create a hash code from multiple objects.
-	/// </summary>
-	/// <remarks>
-	/// .Net has a class the same as this: System.Web.Util.HashCodeCombiner and of course it works for all sorts of things
-	/// which we've not included here as we just need a quick easy class for this in order to create a unique
-	/// hash of directories/files to see if they have changed.
-	/// </remarks>
-	internal class HashCodeCombiner
-	{
-		private long _combinedHash = 5381L;
+    /// <summary>
+    /// Used to create a hash code from multiple objects.
+    /// </summary>
+    /// <remarks>
+    /// .Net has a class the same as this: System.Web.Util.HashCodeCombiner and of course it works for all sorts of things
+    /// which we've not included here as we just need a quick easy class for this in order to create a unique
+    /// hash of directories/files to see if they have changed.
+    /// </remarks>
+    internal class HashCodeCombiner
+    {
+        private long _combinedHash = 5381L;
 
-		internal void AddInt(int i)
-		{
-			_combinedHash = ((_combinedHash << 5) + _combinedHash) ^ i;
-		}
+        internal void AddInt(int i)
+        {
+            _combinedHash = ((_combinedHash << 5) + _combinedHash) ^ i;
+        }
 
-		internal void AddObject(object o)
-		{
-			AddInt(o.GetHashCode());
-		}
+        internal void AddObject(object o)
+        {
+            AddInt(o.GetHashCode());
+        }
 
-		internal void AddDateTime(DateTime d)
-		{
-			AddInt(d.GetHashCode());
-		}
+        internal void AddDateTime(DateTime d)
+        {
+            AddInt(d.GetHashCode());
+        }
 
         internal void AddString(string s)
         {
@@ -40,61 +39,61 @@ namespace Umbraco.Core
                 AddInt((StringComparer.InvariantCulture).GetHashCode(s));
         }
 
-		internal void AddCaseInsensitiveString(string s)
-		{
-			if (s != null)
-				AddInt((StringComparer.InvariantCultureIgnoreCase).GetHashCode(s));
-		}
+        internal void AddCaseInsensitiveString(string s)
+        {
+            if (s != null)
+                AddInt((StringComparer.InvariantCultureIgnoreCase).GetHashCode(s));
+        }
 
-		internal void AddFileSystemItem(FileSystemInfo f)
-		{
-			//if it doesn't exist, don't proceed.
-			if (!f.Exists)
-				return;
+        internal void AddFileSystemItem(FileSystemInfo f)
+        {
+            //if it doesn't exist, don't proceed.
+            if (!f.Exists)
+                return;
 
-			AddCaseInsensitiveString(f.FullName);
-			AddDateTime(f.CreationTimeUtc);
-			AddDateTime(f.LastWriteTimeUtc);
-			
-			//check if it is a file or folder 
-			var fileInfo = f as FileInfo;
-			if (fileInfo != null)
-			{
-				AddInt(fileInfo.Length.GetHashCode());
-			}
-			
-			var dirInfo = f as DirectoryInfo;
-			if (dirInfo != null)
-			{
-				foreach (var d in dirInfo.GetFiles())
-				{
-					AddFile(d);
-				}
-				foreach (var s in dirInfo.GetDirectories())
-				{
-					AddFolder(s);
-				}
-			}
-		}
+            AddCaseInsensitiveString(f.FullName);
+            AddDateTime(f.CreationTimeUtc);
+            AddDateTime(f.LastWriteTimeUtc);
 
-		internal void AddFile(FileInfo f)
-		{
-			AddFileSystemItem(f);			
-		}
+            //check if it is a file or folder 
+            var fileInfo = f as FileInfo;
+            if (fileInfo != null)
+            {
+                AddInt(fileInfo.Length.GetHashCode());
+            }
 
-		internal void AddFolder(DirectoryInfo d)
-		{
-			AddFileSystemItem(d);			
-		}
+            var dirInfo = f as DirectoryInfo;
+            if (dirInfo != null)
+            {
+                foreach (var d in dirInfo.GetFiles())
+                {
+                    AddFile(d);
+                }
+                foreach (var s in dirInfo.GetDirectories())
+                {
+                    AddFolder(s);
+                }
+            }
+        }
 
-		/// <summary>
-		/// Returns the hex code of the combined hash code
-		/// </summary>
-		/// <returns></returns>
-		internal string GetCombinedHashCode()
-		{
-			return _combinedHash.ToString("x", CultureInfo.InvariantCulture);
-		}
+        internal void AddFile(FileInfo f)
+        {
+            AddFileSystemItem(f);
+        }
 
-	}
+        internal void AddFolder(DirectoryInfo d)
+        {
+            AddFileSystemItem(d);
+        }
+
+        /// <summary>
+        /// Returns the hex code of the combined hash code
+        /// </summary>
+        /// <returns></returns>
+        internal string GetCombinedHashCode()
+        {
+            return _combinedHash.ToString("x", CultureInfo.InvariantCulture);
+        }
+
+    }
 }

src/Umbraco.Core/HashCodeHelper.cs

@@ -0,0 +1,104 @@
+using System.Collections.Generic;
+
+namespace Umbraco.Core
+{
+    /// <summary>
+    /// Borrowed from http://stackoverflow.com/a/2575444/694494
+    /// </summary>
+    internal static class HashCodeHelper
+    {
+        public static int GetHashCode<T1, T2>(T1 arg1, T2 arg2)
+        {
+            unchecked
+            {
+                return 31 * arg1.GetHashCode() + arg2.GetHashCode();
+            }
+        }
+
+        public static int GetHashCode<T1, T2, T3>(T1 arg1, T2 arg2, T3 arg3)
+        {
+            unchecked
+            {
+                int hash = arg1.GetHashCode();
+                hash = 31 * hash + arg2.GetHashCode();
+                return 31 * hash + arg3.GetHashCode();
+            }
+        }
+
+        public static int GetHashCode<T1, T2, T3, T4>(T1 arg1, T2 arg2, T3 arg3,
+            T4 arg4)
+        {
+            unchecked
+            {
+                int hash = arg1.GetHashCode();
+                hash = 31 * hash + arg2.GetHashCode();
+                hash = 31 * hash + arg3.GetHashCode();
+                return 31 * hash + arg4.GetHashCode();
+            }
+        }
+
+        public static int GetHashCode<T>(T[] list)
+        {
+            unchecked
+            {
+                int hash = 0;
+                foreach (var item in list)
+                {
+                    if (item == null) continue;
+                    hash = 31 * hash + item.GetHashCode();
+                }
+                return hash;
+            }
+        }
+
+        public static int GetHashCode<T>(IEnumerable<T> list)
+        {
+            unchecked
+            {
+                int hash = 0;
+                foreach (var item in list)
+                {
+                    if (item == null) continue;
+                    hash = 31 * hash + item.GetHashCode();
+                }
+                return hash;
+            }
+        }
+
+        /// <summary>
+        /// Gets a hashcode for a collection for that the order of items 
+        /// does not matter.
+        /// So {1, 2, 3} and {3, 2, 1} will get same hash code.
+        /// </summary>
+        public static int GetHashCodeForOrderNoMatterCollection<T>(
+            IEnumerable<T> list)
+        {
+            unchecked
+            {
+                int hash = 0;
+                int count = 0;
+                foreach (var item in list)
+                {
+                    if (item == null) continue;
+                    hash += item.GetHashCode();
+                    count++;
+                }
+                return 31 * hash + count.GetHashCode();
+            }
+        }
+
+        /// <summary>
+        /// Alternative way to get a hashcode is to use a fluent 
+        /// interface like this:<br />
+        /// return 0.CombineHashCode(field1).CombineHashCode(field2).
+        ///     CombineHashCode(field3);
+        /// </summary>
+        public static int CombineHashCode<T>(this int hashCode, T arg)
+        {
+            unchecked
+            {
+                return 31 * hashCode + arg.GetHashCode();
+            }
+        }
+    }
+}

src/Umbraco.Core/IO/MediaFileSystem.cs

@@ -159,7 +159,7 @@ namespace Umbraco.Core.IO
 
             // ReSharper disable once AssignNullToNotNullAttribute
             var filepath = UmbracoConfig.For.UmbracoSettings().Content.UploadAllowDirectories
-                ? Path.Combine(folder, filename)
+                ? Path.Combine(folder, filename).Replace('\\', '/')
                 : folder + "-" + filename;
 
             return filepath;

src/Umbraco.Core/IO/ShadowWrapper.cs

@@ -52,9 +52,20 @@ namespace Umbraco.Core.IO
                 try
                 {
                     Directory.Delete(dir, true);
-                    dir = dir.Substring(0, dir.Length - _shadowPath.Length - 1);
-                    if (Directory.EnumerateFileSystemEntries(dir).Any() == false)
-                        Directory.Delete(dir, true);
+
+                    // shadowPath make be path/to/dir, remove each
+                    dir = dir.Replace("/", "\\");
+                    var min = IOHelper.MapPath("~/App_Data/TEMP/ShadowFs").Length;
+                    var pos = dir.LastIndexOf("\\", StringComparison.OrdinalIgnoreCase);
+                    while (pos > min)
+                    {
+                        dir = dir.Substring(0, pos);
+                        if (Directory.EnumerateFileSystemEntries(dir).Any() == false)
+                            Directory.Delete(dir, true);
+                        else
+                            break;
+                        pos = dir.LastIndexOf("\\", StringComparison.OrdinalIgnoreCase);
+                    }
                 }
                 catch
                 {

src/Umbraco.Core/Models/ContentXmlEntity.cs

@@ -42,6 +42,7 @@ namespace Umbraco.Core.Models
         public Guid Key { get; set; }
         public DateTime CreateDate { get; set; }
         public DateTime UpdateDate { get; set; }
+        public DateTime? DeletedDate { get; set; }
 
         /// <summary>
         /// Special case, always return false, this will cause the repositories managing 
@@ -60,5 +61,7 @@ namespace Umbraco.Core.Models
             DeepCloneHelper.DeepCloneRefProperties(this, clone);
             return clone;
         }
+
+        
     }
 }

src/Umbraco.Core/Models/EntityBase/Entity.cs

@@ -101,6 +101,9 @@ namespace Umbraco.Core.Models.EntityBase
             set { SetPropertyValueAndDetectChanges(value, ref _updateDate, Ps.Value.UpdateDateSelector); }           
         }
 
+        [IgnoreDataMember]
+        public DateTime? DeletedDate { get; set; }
+
         internal virtual void ResetIdentity()
         {
             _hasIdentity = false;

src/Umbraco.Core/Models/EntityBase/IAggregateRoot.cs

@@ -3,7 +3,7 @@
     /// <summary>
     /// Marker interface for aggregate roots
     /// </summary>
-    public interface IAggregateRoot : IEntity
+    public interface IAggregateRoot : IDeletableEntity
     {
          
     }

src/Umbraco.Core/Models/EntityBase/IDeletableEntity.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace Umbraco.Core.Models.EntityBase
+{
+    public interface IDeletableEntity : IEntity
+    {
+        [DataMember]
+        DateTime? DeletedDate { get; set; }
+    }
+}

src/Umbraco.Core/Models/EntityBase/IEntity.cs

@@ -20,7 +20,7 @@ namespace Umbraco.Core.Models.EntityBase
         /// <summary>
         /// Guid based Id
         /// </summary>
-        /// <remarks>The key is currectly used to store the Unique Id from the 
+        /// <remarks>The key is currectly used to store the Unique Id from the
         /// umbracoNode table, which many of the entities are based on.</remarks>
         [DataMember]
         Guid Key { get; set; }

src/Umbraco.Core/Models/IPartialView.cs

@@ -2,6 +2,6 @@
 {
     public interface IPartialView : IFile
     {
-        
+        PartialViewType ViewType { get; }
     }
 }

src/Umbraco.Core/Models/PartialView.cs

@@ -1,10 +1,8 @@
 using System;
 using System.Runtime.Serialization;
-using Umbraco.Core.Services;
 
 namespace Umbraco.Core.Models
 {
-  
     /// <summary>
     /// Represents a Partial View file
     /// </summary>
@@ -12,14 +10,21 @@ namespace Umbraco.Core.Models
     [DataContract(IsReference = true)]
     public class PartialView : File, IPartialView
     {
+        [Obsolete("Use the ctor that explicitely sets the view type.")]
         public PartialView(string path)
-            : this(path, null)
+            : this(PartialViewType.PartialView, path, null)
         { }
 
-        internal PartialView(string path, Func<File, string> getFileContent)
+        public PartialView(PartialViewType viewType, string path)
+            : this(viewType, path, null)
+        { }
+
+        internal PartialView(PartialViewType viewType, string path, Func<File, string> getFileContent)
             : base(path, getFileContent)
-        { }
+        {
+            ViewType = viewType;
+        }
 
-        internal PartialViewType ViewType { get; set; }
+        public PartialViewType ViewType { get; set; }
     }
 }

src/Umbraco.Core/Models/PartialViewType.cs

@@ -1,6 +1,6 @@
 namespace Umbraco.Core.Models
 {
-    internal enum PartialViewType : byte
+    public enum PartialViewType : byte
     {
         Unknown = 0, // default
         PartialView = 1,

src/Umbraco.Core/OrderedHashSet.cs

@@ -11,7 +11,7 @@ namespace Umbraco.Core
     {
         private readonly bool _keepOldest;
 
-        public OrderedHashSet(bool keepOldest = true)
+        public OrderedHashSet(bool keepOldest = true) 
         {
             _keepOldest = keepOldest;
         }

src/Umbraco.Core/Persistence/Migrations/MigrationBase.cs

@@ -23,7 +23,7 @@ namespace Umbraco.Core.Persistence.Migrations
             Logger = logger;
         }
 
-        public IMigrationContext Context { get; internal set; }
+        public IMigrationContext Context;
 
         public abstract void Up();
         public abstract void Down();

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenSixZero/NormalizeTemplateGuids.cs

@@ -30,8 +30,10 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenSixZero
             var version = database.FirstOrDefault<string>("SELECT version FROM umbracoMigration WHERE name=@name ORDER BY version DESC", new { name = Constants.System.UmbracoMigrationName });
             if (version != null && version.StartsWith("7.6.0")) return string.Empty;
 
-            var updates = database.Query<dynamic>("SELECT id, text FROM umbracoNode WHERE nodeObjectType = @guid", new { guid = Constants.ObjectTypes.TemplateTypeGuid})
-                .Select(template => Tuple.Create((int) template.id, ("template____" + (string) template.text).ToGuid()))
+            var updates = database.Query<dynamic>(@"SELECT umbracoNode.id, cmsTemplate.alias FROM umbracoNode 
+JOIN cmsTemplate ON umbracoNode.id=cmsTemplate.nodeId
+WHERE nodeObjectType = @guid", new { guid = Constants.ObjectTypes.TemplateTypeGuid})
+                .Select(template => Tuple.Create((int) template.id, ("template____" + (string) template.alias).ToGuid()))
                 .ToList();
 
             foreach (var update in updates)

src/Umbraco.Core/Persistence/Migrations/Upgrades/TargetVersionSevenThreeZero/AddRelationTypeForDocumentOnDelete.cs

@@ -2,6 +2,7 @@
 using Umbraco.Core.Configuration;
 using Umbraco.Core.Logging;
 using Umbraco.Core.Models.Rdbms;
+using Umbraco.Core.Persistence.DatabaseAnnotations;
 using Umbraco.Core.Persistence.SqlSyntax;
 
 namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZero
@@ -16,7 +17,7 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
 
         public override void Up()
         {
-            var exists = Context.Database.FirstOrDefault<RelationTypeDto>("WHERE alias=@alias", new {alias = Constants.Conventions.RelationTypes.RelateParentDocumentOnDeleteAlias});
+            var exists = Context.Database.FirstOrDefault<RelationTypeDtoCapture>("WHERE alias=@alias", new {alias = Constants.Conventions.RelationTypes.RelateParentDocumentOnDeleteAlias});
             if (exists == null)
             {
                 Insert.IntoTable("umbracoRelationType").Row(new
@@ -28,13 +29,42 @@ namespace Umbraco.Core.Persistence.Migrations.Upgrades.TargetVersionSevenThreeZe
                     alias = Constants.Conventions.RelationTypes.RelateParentDocumentOnDeleteAlias
                 });
             }
-
-            
-
         }
 
         public override void Down()
+        { }
+
+        // need to capture the DTO as it is modified in later migrations
+
+        [TableName("umbracoRelationType")]
+        [PrimaryKey("id")]
+        [ExplicitColumns]
+        internal class RelationTypeDtoCapture
         {
+            public const int NodeIdSeed = 3;
+
+            [Column("id")]
+            [PrimaryKeyColumn(IdentitySeed = NodeIdSeed)]
+            public int Id { get; set; }
+
+            [Column("dual")]
+            public bool Dual { get; set; }
+
+            [Column("parentObjectType")]
+            public Guid ParentObjectType { get; set; }
+
+            [Column("childObjectType")]
+            public Guid ChildObjectType { get; set; }
+
+            [Column("name")]
+            [Index(IndexTypes.UniqueNonClustered, Name = "IX_umbracoRelationType_name")]
+            public string Name { get; set; }
+
+            [Column("alias")]
+            [NullSetting(NullSetting = NullSettings.Null)]
+            [Length(100)]
+            [Index(IndexTypes.UniqueNonClustered, Name = "IX_umbracoRelationType_alias")]
+            public string Alias { get; set; }
         }
     }
 }

src/Umbraco.Core/Persistence/Repositories/ContentXmlRepository.cs

@@ -70,6 +70,8 @@ namespace Umbraco.Core.Persistence.Repositories
         {
             //Remove 'published' xml from the cmsContentXml table for the unpublished content
             Database.Delete<ContentXmlDto>("WHERE nodeId = @Id", new { Id = entity.Id });
+
+            entity.DeletedDate = DateTime.Now;
         }
 
         protected override void PersistNewItem(ContentXmlEntity<TContent> entity)

src/Umbraco.Core/Persistence/Repositories/DataTypeDefinitionRepository.cs

@@ -270,6 +270,8 @@ AND umbracoNode.id <> @id",
 
             //Delete (base) node data
             Database.Delete<NodeDto>("WHERE uniqueID = @Id", new { Id = entity.Key });
+
+            entity.DeletedDate = DateTime.Now;
         }
 
         #endregion
@@ -539,6 +541,8 @@ AND umbracoNode.id <> @id",
                 Database.Execute(
                     "DELETE FROM cmsDataTypePreValues WHERE id=@Id",
                     new { Id = entity.Id });
+
+                entity.DeletedDate = DateTime.Now;
             }
 
             protected override void PersistNewItem(PreValueEntity entity)

src/Umbraco.Core/Persistence/Repositories/DictionaryRepository.cs

@@ -195,6 +195,8 @@ namespace Umbraco.Core.Persistence.Repositories
             //Clear the cache entries that exist by uniqueid/item key
             IsolatedCache.ClearCacheItem(GetCacheIdKey<IDictionaryItem>(entity.ItemKey));
             IsolatedCache.ClearCacheItem(GetCacheIdKey<IDictionaryItem>(entity.Key));
+
+            entity.DeletedDate = DateTime.Now;
         }
 
         private void RecursiveDelete(Guid parentId)

src/Umbraco.Core/Persistence/Repositories/EntityContainerRepository.cs

@@ -167,6 +167,8 @@ namespace Umbraco.Core.Persistence.Repositories
 
             // delete
             Database.Delete(nodeDto);
+
+            entity.DeletedDate = DateTime.Now;
         }
 
         protected override void PersistNewItem(EntityContainer entity)

src/Umbraco.Core/Persistence/Repositories/PartialViewRepository.cs

@@ -30,7 +30,7 @@ namespace Umbraco.Core.Persistence.Repositories
             var updated = FileSystem.GetLastModified(path).UtcDateTime;
             //var content = GetFileContent(path);
 
-            var view = new PartialView(path, file => GetFileContent(file.OriginalPath))
+            var view = new PartialView(ViewType, path, file => GetFileContent(file.OriginalPath))
             {
                 //id can be the hash
                 Id = path.GetHashCode(),
@@ -38,8 +38,7 @@ namespace Umbraco.Core.Persistence.Repositories
                 //Content = content,
                 CreateDate = created,
                 UpdateDate = updated,
-                VirtualPath = FileSystem.GetUrl(id),
-                ViewType = ViewType
+                VirtualPath = FileSystem.GetUrl(id)
             };
 
             //on initial construction we don't want to have dirty properties tracked

src/Umbraco.Core/Persistence/Repositories/PetaPocoRepositoryBase.cs

@@ -74,6 +74,7 @@ namespace Umbraco.Core.Persistence.Repositories
             {
                 Database.Execute(delete, new { Id = GetEntityId(entity) });
             }
+            entity.DeletedDate = DateTime.Now;
         }
     }
 }

src/Umbraco.Core/Persistence/Repositories/TemplateRepository.cs

@@ -311,6 +311,8 @@ namespace Umbraco.Core.Persistence.Repositories
                 var masterpageName = string.Concat(entity.Alias, ".master");
                 _masterpagesFileSystem.DeleteFile(masterpageName);
             }
+
+            entity.DeletedDate = DateTime.Now;
         }
 
         #endregion

src/Umbraco.Core/Persistence/UnitOfWork/IScopeUnitOfWork.cs

@@ -8,5 +8,6 @@ namespace Umbraco.Core.Persistence.UnitOfWork
         IScope Scope { get; }
         EventMessages Messages { get; }
         IEventDispatcher Events { get; }
+        void Flush();
     }
 }

src/Umbraco.Core/Persistence/UnitOfWork/ScopeUnitOfWork.cs

@@ -160,7 +160,33 @@ namespace Umbraco.Core.Persistence.UnitOfWork
             _key = Guid.NewGuid();
         }
 
-		public object Key
+        public void Flush()
+        {
+            if (_readOnly)
+                throw new NotSupportedException("This unit of work is read-only.");
+
+            while (_operations.Count > 0)
+            {
+                var operation = _operations.Dequeue();
+                switch (operation.Type)
+                {
+                    case TransactionType.Insert:
+                        operation.Repository.PersistNewItem(operation.Entity);
+                        break;
+                    case TransactionType.Delete:
+                        operation.Repository.PersistDeletedItem(operation.Entity);
+                        break;
+                    case TransactionType.Update:
+                        operation.Repository.PersistUpdatedItem(operation.Entity);
+                        break;
+                }
+            }
+
+            _operations.Clear();
+            _key = Guid.NewGuid();
+        }
+
+        public object Key
 		{
 			get { return _key; }
 		}

src/Umbraco.Core/PropertyEditors/ValueConverters/EmailAddressValueConverter.cs

@@ -20,6 +20,11 @@ namespace Umbraco.Core.PropertyEditors.ValueConverters
 
         public override object ConvertSourceToObject(PublishedPropertyType propertyType, object source, bool preview)
         {
+            if(source == null) 
+            {
+                return string.Empty;
+            }
+            
             return source.ToString();
         }
         

src/Umbraco.Core/Scoping/Scope.cs

@@ -465,6 +465,7 @@ namespace Umbraco.Core.Scoping
                     }
                     finally
                     {
+                        // removes the ambient context (ambient scope already gone)
                         _scopeProvider.SetAmbient(null);
                     }
                 }

src/Umbraco.Core/Scoping/ScopeContext.cs

@@ -1,16 +1,23 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Umbraco.Core.Scoping
 {
     public class ScopeContext : IInstanceIdentifiable
     {
         private Dictionary<string, IEnlistedObject> _enlisted;
+        private bool _exiting;
 
         public void ScopeExit(bool completed)
         {
+            if (_enlisted == null)
+                return;
+
+            _exiting = true;
+
             List<Exception> exceptions = null;
-            foreach (var enlisted in Enlisted.Values)
+            foreach (var enlisted in _enlisted.Values.OrderBy(x => x.Priority))
             {
                 try
                 {
@@ -23,6 +30,7 @@ namespace Umbraco.Core.Scoping
                     exceptions.Add(e);
                 }
             }
+
             if (exceptions != null)
                 throw new AggregateException("Exceptions were thrown by listed actions.", exceptions);
         }
@@ -42,73 +50,71 @@ namespace Umbraco.Core.Scoping
         private interface IEnlistedObject
         {
             void Execute(bool completed);
+            int Priority { get; }
         }
 
         private class EnlistedObject<T> : IEnlistedObject
         {
             private readonly Action<bool, T> _action;
 
-            public EnlistedObject(T item)
-            {
-                Item = item;
-            }
-
-            public EnlistedObject(T item, Action<bool, T> action)
+            public EnlistedObject(T item, Action<bool, T> action, int priority)
             {
                 Item = item;
+                Priority = priority;
                 _action = action;
             }
 
             public T Item { get; private set; }
 
+            public int Priority { get; private set; }
+
             public void Execute(bool completed)
             {
                 _action(completed, Item);
             }
         }
 
-        /// <inheritdoc />
+        // todo: replace with optional parameters when we can break things
         public T Enlist<T>(string key, Func<T> creator)
         {
-            IEnlistedObject enlisted;
-            if (Enlisted.TryGetValue(key, out enlisted))
-            {
-                var enlistedAs = enlisted as EnlistedObject<T>;
-                if (enlistedAs == null) throw new Exception("An item with a different type has already been enlisted with the same key.");
-                return enlistedAs.Item;
-            }
-            var enlistedOfT = new EnlistedObject<T>(creator());
-            Enlisted[key] = enlistedOfT;
-            return enlistedOfT.Item;
+            return Enlist(key, creator, null, 100);
         }
 
-        /// <inheritdoc />
+        // todo: replace with optional parameters when we can break things
         public T Enlist<T>(string key, Func<T> creator, Action<bool, T> action)
         {
-            IEnlistedObject enlisted;
-            if (Enlisted.TryGetValue(key, out enlisted))
-            {
-                var enlistedAs = enlisted as EnlistedObject<T>;
-                if (enlistedAs == null) throw new Exception("An item with a different type has already been enlisted with the same key.");
-                return enlistedAs.Item;
-            }
-            var enlistedOfT = new EnlistedObject<T>(creator(), action);
-            Enlisted[key] = enlistedOfT;
-            return enlistedOfT.Item;
+            return Enlist(key, creator, action, 100);
         }
 
-        /// <inheritdoc />
+        // todo: replace with optional parameters when we can break things
         public void Enlist(string key, Action<bool> action)
         {
+            Enlist<object>(key, null, (completed, item) => action(completed), 100);
+        }
+
+        public void Enlist(string key, Action<bool> action, int priority)
+        {
+            Enlist<object>(key, null, (completed, item) => action(completed), priority);
+        }
+
+        public T Enlist<T>(string key, Func<T> creator, Action<bool, T> action, int priority)
+        {
+            if (_exiting)
+                throw new InvalidOperationException("Cannot enlist now, context is exiting.");
+
+            var enlistedObjects = _enlisted ?? (_enlisted = new Dictionary<string, IEnlistedObject>());
+
             IEnlistedObject enlisted;
-            if (Enlisted.TryGetValue(key, out enlisted))
+            if (enlistedObjects.TryGetValue(key, out enlisted))
             {
-                var enlistedAs = enlisted as EnlistedObject<object>;
-                if (enlistedAs == null) throw new Exception("An item with a different type has already been enlisted with the same key.");
-                return;
+                var enlistedAs = enlisted as EnlistedObject<T>;
+                if (enlistedAs == null) throw new InvalidOperationException("An item with the key already exists, but with a different type.");
+                if (enlistedAs.Priority != priority) throw new InvalidOperationException("An item with the key already exits, but with a different priority.");
+                return enlistedAs.Item;
             }
-            var enlistedOfT = new EnlistedObject<object>(null, (completed, item) => action(completed));
+            var enlistedOfT = new EnlistedObject<T>(creator == null ? default(T) : creator(), action, priority);
             Enlisted[key] = enlistedOfT;
+            return enlistedOfT.Item;
         }
     }
 }

src/Umbraco.Core/Security/BackOfficeSignInManager.cs

@@ -191,6 +191,7 @@ namespace Umbraco.Core.Security
 
             //track the last login date
             user.LastLoginDateUtc = DateTime.UtcNow;
+            user.AccessFailedCount = 0;
             await UserManager.UpdateAsync(user);
 
             _logger.WriteCore(TraceEventType.Information, 0,
@@ -231,4 +232,4 @@ namespace Umbraco.Core.Security
             return null;
         }
     }
-}
+}

src/Umbraco.Core/Services/ContentTypeServiceBase.cs

@@ -83,7 +83,7 @@ namespace Umbraco.Core.Services
         /// <returns></returns>
         public bool HasContainerInPath(string contentPath)
         {
-            using (var uow = UowProvider.GetUnitOfWork())
+            using (var uow = UowProvider.GetUnitOfWork(readOnly: true))
             {
                 // can use same repo for both content and media
                 var repository = RepositoryFactory.CreateContentTypeRepository(uow);

src/Umbraco.Core/Services/EntityService.cs

@@ -95,6 +95,16 @@ namespace Umbraco.Core.Services
             return result.HasValue ? Attempt.Succeed(result.Value) : Attempt<int>.Fail();
         }
 
+        public Attempt<int> GetIdForUdi(Udi udi)
+        {
+            var guidUdi = udi as GuidUdi;
+            if (guidUdi == null)
+                return Attempt<int>.Fail();
+
+            var umbracoType = Constants.UdiEntityType.ToUmbracoObjectType(guidUdi.EntityType);
+            return GetIdForKey(guidUdi.Guid, umbracoType);
+        }
+
         /// <summary>
         /// Returns the GUID for a given integer id
         /// </summary>
@@ -124,35 +134,11 @@ namespace Umbraco.Core.Services
 
         private static Guid GetNodeObjectTypeGuid(UmbracoObjectTypes umbracoObjectType)
         {
-            switch (umbracoObjectType)
-            {
-                case UmbracoObjectTypes.Document:
-                    return Constants.ObjectTypes.DocumentGuid;
-                case UmbracoObjectTypes.MemberType:
-                    return Constants.ObjectTypes.MemberTypeGuid;
-                case UmbracoObjectTypes.Media:
-                    return Constants.ObjectTypes.MediaGuid;
-                case UmbracoObjectTypes.Template:
-                    return Constants.ObjectTypes.TemplateTypeGuid;
-                case UmbracoObjectTypes.MediaType:
-                    return Constants.ObjectTypes.MediaTypeGuid;
-                case UmbracoObjectTypes.DocumentType:
-                    return Constants.ObjectTypes.DocumentTypeGuid;
-                case UmbracoObjectTypes.Member:
-                    return Constants.ObjectTypes.MemberGuid;
-                case UmbracoObjectTypes.DataType:
-                    return Constants.ObjectTypes.DataTypeGuid;
-                case UmbracoObjectTypes.MemberGroup:
-                    return Constants.ObjectTypes.MemberGroupGuid;
-                case UmbracoObjectTypes.RecycleBin:
-                case UmbracoObjectTypes.Stylesheet:
-                case UmbracoObjectTypes.ContentItem:
-                case UmbracoObjectTypes.ContentItemType:
-                case UmbracoObjectTypes.ROOT:
-                case UmbracoObjectTypes.Unknown:
-                default:
-                    throw new NotSupportedException("Unsupported object type (" + umbracoObjectType + ").");
-            }
+            var guid = umbracoObjectType.GetGuid();
+            if (guid == Guid.Empty)
+                throw new NotSupportedException("Unsupported object type (" + umbracoObjectType + ").");
+
+            return guid;            
         }
 
         public IUmbracoEntity GetByKey(Guid key, bool loadBaseType = true)

src/Umbraco.Core/Services/ExternalLoginService.cs

@@ -14,8 +14,7 @@ namespace Umbraco.Core.Services
     {
         public ExternalLoginService(IDatabaseUnitOfWorkProvider provider, RepositoryFactory repositoryFactory, ILogger logger, IEventMessagesFactory eventMessagesFactory)
             : base(provider, repositoryFactory, logger, eventMessagesFactory)
-        {
-        }
+        { }
 
         /// <summary>
         /// Returns all user logins assigned
@@ -23,30 +22,32 @@ namespace Umbraco.Core.Services
         /// <param name="userId"></param>
         /// <returns></returns>
         public IEnumerable<IIdentityUserLogin> GetAll(int userId)
-        {            
-            using (var uow = UowProvider.GetUnitOfWork())
+        {
+            using (var uow = UowProvider.GetUnitOfWork(readOnly: true))
             {
+                // ToList is important here, must evaluate within uow!
                 var repo = RepositoryFactory.CreateExternalLoginRepository(uow);
-                var ret = repo.GetByQuery(new Query<IIdentityUserLogin>().Where(x => x.UserId == userId));
-                uow.Commit();
-                return ret;
+                return repo.GetByQuery(new Query<IIdentityUserLogin>()
+                    .Where(x => x.UserId == userId))
+                    .ToList();
             }
         }
 
         /// <summary>
-        /// Returns all logins matching the login info - generally there should only be one but in some cases 
+        /// Returns all logins matching the login info - generally there should only be one but in some cases
         /// there might be more than one depending on if an adminstrator has been editing/removing members
         /// </summary>
         /// <param name="login"></param>
         /// <returns></returns>
         public IEnumerable<IIdentityUserLogin> Find(UserLoginInfo login)
         {
-            using (var uow = UowProvider.GetUnitOfWork())
+            using (var uow = UowProvider.GetUnitOfWork(readOnly: true))
             {
+                // ToList is important here, must evaluate within uow!
                 var repo = RepositoryFactory.CreateExternalLoginRepository(uow);
-                var ret = repo.GetByQuery(new Query<IIdentityUserLogin>().Where(x => x.ProviderKey == login.ProviderKey && x.LoginProvider == login.LoginProvider));
-                uow.Commit();
-                return ret;
+                return repo.GetByQuery(new Query<IIdentityUserLogin>()
+                    .Where(x => x.ProviderKey == login.ProviderKey && x.LoginProvider == login.LoginProvider))
+                    .ToList();
             }
         }
 
@@ -78,7 +79,5 @@ namespace Umbraco.Core.Services
                 uow.Commit();
             }
         }
-
-        
     }
 }

src/Umbraco.Core/Services/IEntityService.cs

@@ -28,7 +28,14 @@ namespace Umbraco.Core.Services
         /// <param name="key"></param>
         /// <param name="umbracoObjectType"></param>
         /// <returns></returns>
-        Attempt<int> GetIdForKey(Guid key, UmbracoObjectTypes umbracoObjectType);
+        Attempt<int> GetIdForKey(Guid key, UmbracoObjectTypes umbracoObjectType);
+
+        /// <summary>
+        /// Returns the integer id for a given Udi
+        /// </summary>
+        /// <param name="udi"></param>
+        /// <returns></returns>
+        Attempt<int> GetIdForUdi(Udi udi);
 
         /// <summary>
         /// Returns the GUID for a given integer id

src/Umbraco.Core/Services/IPackagingService.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Xml.Linq;
 using Umbraco.Core.Models;
 
@@ -6,6 +7,15 @@ namespace Umbraco.Core.Services
 {
     public interface IPackagingService : IService
     {
+        /// <summary>
+        /// This will fetch an Umbraco package file from the package repository and return the relative file path to the downloaded package file
+        /// </summary>
+        /// <param name="packageId"></param>
+        /// <param name="umbracoVersion"></param>
+        /// <param name="userId">The current user id performing the operation</param>
+        /// <returns></returns>
+        string FetchPackageFile(Guid packageId, Version umbracoVersion, int userId);
+
         /// <summary>
         /// Imports and saves package xml as <see cref="IContent"/>
         /// </summary>

src/Umbraco.Core/Services/MediaService.cs

@@ -692,11 +692,11 @@ namespace Umbraco.Core.Services
             }
 
             Func<string, Sql> createSql = url => new Sql().Select("*")
-                                                  .From<PropertyDataDto>()
-                                                  .InnerJoin<PropertyTypeDto>()
-                                                  .On<PropertyDataDto, PropertyTypeDto>(left => left.PropertyTypeId, right => right.Id)
-                                                  .Where<PropertyTypeDto>(x => x.Alias == "umbracoFile")
-                                                  .Where<PropertyDataDto>(x => x.VarChar == url);
+                .From<PropertyDataDto>()
+                .InnerJoin<PropertyTypeDto>()
+                .On<PropertyDataDto, PropertyTypeDto>(left => left.PropertyTypeId, right => right.Id)
+                .Where<PropertyTypeDto>(x => x.Alias == "umbracoFile")
+                .Where<PropertyDataDto>(x => x.VarChar == url);
 
             var sql = createSql(umbracoFileValue);
 
@@ -899,8 +899,14 @@ namespace Umbraco.Core.Services
                     throw new ArgumentException("Cannot save media with empty name.");
                 }
 
-                var repository = RepositoryFactory.CreateMediaRepository(uow);
-                media.CreatorId = userId;
+                var repository = RepositoryFactory.CreateMediaRepository(uow);
+
+                //set the creator id if it's new
+                if (media.HasIdentity == false)
+                {
+                    media.CreatorId = userId;
+                }
+
                 repository.AddOrUpdate(media);
                 repository.AddOrUpdateContentXml(media, m => _entitySerializer.Serialize(this, _dataTypeService, _userService, m));
                 // generate preview for blame history?
@@ -1048,7 +1054,7 @@ namespace Umbraco.Core.Services
         /// <param name="userId">Optional id of the user deleting the media</param>
         public void DeleteMediaOfType(int mediaTypeId, int userId = 0)
         {
-            DeleteMediaOfTypes(new[] {mediaTypeId}, userId);
+            DeleteMediaOfTypes(new[] { mediaTypeId }, userId);
         }
 
         /// <summary>

src/Umbraco.Core/Services/PackagingService.cs

@@ -1,15 +1,20 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.IO;
 using System.Linq;
+using System.Net.Http;
 using System.Text.RegularExpressions;
 using System.Web;
 using System.Web.UI.WebControls;
 using System.Xml.Linq;
 using System.Xml.XPath;
 using Newtonsoft.Json;
+using Umbraco.Core.Auditing;
 using Umbraco.Core.Configuration;
+using Umbraco.Core.Configuration.UmbracoSettings;
 using Umbraco.Core.Events;
+using Umbraco.Core.Exceptions;
 using Umbraco.Core.IO;
 using Umbraco.Core.Logging;
 using Umbraco.Core.Models;
@@ -75,6 +80,61 @@ namespace Umbraco.Core.Services
             _importedContentTypes = new Dictionary<string, IContentType>();
         }
 
+        /// <summary>
+        /// This will fetch an Umbraco package file from the package repository and return the relative file path to the downloaded package file
+        /// </summary>
+        /// <param name="packageId"></param>
+        /// <param name="umbracoVersion"></param>
+        /// /// <param name="userId">The current user id performing the operation</param>
+        /// <returns></returns>
+        public string FetchPackageFile(Guid packageId, Version umbracoVersion, int userId)
+        {
+            var packageRepo = UmbracoConfig.For.UmbracoSettings().PackageRepositories.GetDefault();
+
+            using (var httpClient = new HttpClient())
+            using (var uow = _uowProvider.GetUnitOfWork())
+            {
+                //includeHidden = true because we don't care if it's hidden we want to get the file regardless
+                var url = string.Format("{0}/{1}?version={2}&includeHidden=true&asFile=true", packageRepo.RestApiUrl, packageId, umbracoVersion.ToString(3));
+                byte[] bytes;
+                try
+                {
+                    bytes = httpClient.GetByteArrayAsync(url).GetAwaiter().GetResult();
+                }
+                catch (HttpRequestException ex)
+                {
+                    throw new ConnectionException("An error occuring downloading the package from " + url, ex);
+                }
+
+                //successfull 
+                if (bytes.Length > 0)
+                {
+                    var packagePath = IOHelper.MapPath(SystemDirectories.Packages);
+
+                    // Check for package directory
+                    if (Directory.Exists(packagePath) == false)
+                        Directory.CreateDirectory(packagePath);
+
+                    var packageFilePath = Path.Combine(packagePath, packageId + ".umb");
+
+                    using (var fs1 = new FileStream(packageFilePath, FileMode.Create))
+                    {
+                        fs1.Write(bytes, 0, bytes.Length);
+                        return "packages\\" + packageId + ".umb";
+                    }
+                }
+
+                Audit(uow, AuditType.PackagerInstall, string.Format("Package {0} fetched from {1}", packageId, packageRepo.Id), userId, -1);
+                return null;
+            }
+        }
+
+        private void Audit(IScopeUnitOfWork uow, AuditType type, string message, int userId, int objectId)
+        {
+            var auditRepo = _repositoryFactory.CreateAuditRepository(uow);
+            auditRepo.AddOrUpdate(new AuditItem(objectId, message, type, userId));
+        }
+
         #region Content
 
         /// <summary>

src/Umbraco.Core/StringUdi.cs

@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using System.Linq;
 
 namespace Umbraco.Core
 {
@@ -20,7 +21,7 @@ namespace Umbraco.Core
         /// <param name="entityType">The entity type part of the udi.</param>
         /// <param name="id">The string id part of the udi.</param>
         public StringUdi(string entityType, string id)
-            : base(entityType, "umb://" + entityType + "/" + id)
+            : base(entityType, "umb://" + entityType + "/" + EscapeUriString(id))
         {
             Id = id;
         }
@@ -32,7 +33,20 @@ namespace Umbraco.Core
         public StringUdi(Uri uriValue)
             : base(uriValue)
         {
-            Id = uriValue.AbsolutePath.TrimStart('/');
+            Id = Uri.UnescapeDataString(uriValue.AbsolutePath.TrimStart('/'));
+        }
+
+        private static string EscapeUriString(string s)
+        {
+            // Uri.EscapeUriString preserves / but also [ and ] which is bad
+            // Uri.EscapeDataString does not preserve / which is bad
+
+            // reserved = : / ? # [ ] @ ! $ & ' ( ) * + , ; =
+            // unreserved = alpha digit - . _ ~
+
+            // we want to preserve the / and the unreserved
+            // so...
+            return string.Join("/", s.Split('/').Select(Uri.EscapeDataString));
         }
 
         /// <summary>

src/Umbraco.Core/Sync/ConfigServerRegistrar.cs

@@ -4,6 +4,7 @@ using System.Web;
 using Umbraco.Core.Configuration;
 using Umbraco.Core.Configuration.UmbracoSettings;
 using Umbraco.Core.IO;
+using Umbraco.Core.Logging;
 
 namespace Umbraco.Core.Sync
 {
@@ -40,8 +41,9 @@ namespace Umbraco.Core.Sync
                 .ToList();
 
             if (serversA.Length == 0)
-            {
+            {               
                 _serverRole = ServerRole.Unknown; // config error, actually
+                LogHelper.Debug<ConfigServerRegistrar>(string.Format("Server Role Unknown: DistributedCalls are enabled but no servers are listed"));
             }
             else
             {
@@ -50,7 +52,10 @@ namespace Umbraco.Core.Sync
                 var serverName = master.ServerName;
 
                 if (appId.IsNullOrWhiteSpace() && serverName.IsNullOrWhiteSpace())
+                {
                     _serverRole = ServerRole.Unknown; // config error, actually
+                    LogHelper.Debug<ConfigServerRegistrar>(string.Format("Server Role Unknown: Server Name or AppId missing from Server configuration in DistributedCalls settings"));
+                }
                 else
                     _serverRole = IsCurrentServer(appId, serverName)
                         ? ServerRole.Master

src/Umbraco.Core/TypeExtensions.cs

@@ -166,8 +166,8 @@ namespace Umbraco.Core
 					return true;
 			}
 			return false;
-		}
-
+		}
+        
 		/// <summary>
 		/// Determines whether [is of generic type] [the specified type].
 		/// </summary>

src/Umbraco.Core/TypeHelper.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Reflection;
 
@@ -15,11 +16,51 @@ namespace Umbraco.Core
 	{
 	    private static readonly ConcurrentDictionary<Tuple<Type, bool, bool, bool>, PropertyInfo[]> GetPropertiesCache
             = new ConcurrentDictionary<Tuple<Type, bool, bool, bool>, PropertyInfo[]>();
-		private static readonly ConcurrentDictionary<Type, FieldInfo[]> GetFieldsCache 
+		private static readonly ConcurrentDictionary<Type, FieldInfo[]> GetFieldsCache
             = new ConcurrentDictionary<Type, FieldInfo[]>();
 
         private static readonly Assembly[] EmptyAssemblies  = new Assembly[0];
-        
+
+        /// <summary>
+        /// Based on a type we'll check if it is IEnumerable{T} (or similar) and if so we'll return a List{T}, this will also deal with array types and return List{T} for those too.
+        /// If it cannot be done, null is returned.
+        /// </summary>
+        /// <param name="obj"></param>
+        /// <returns></returns>
+	    internal static IList CreateGenericEnumerableFromObject(object obj)
+        {
+            var type = obj.GetType();
+
+            if (type.IsGenericType)
+            {
+                var genericTypeDef = type.GetGenericTypeDefinition();
+
+                if (genericTypeDef == typeof(IEnumerable<>)
+                    || genericTypeDef == typeof(ICollection<>)
+                    || genericTypeDef == typeof(Collection<>)
+                    || genericTypeDef == typeof(IList<>)
+                    || genericTypeDef == typeof(List<>)
+                    //this will occur when Linq is used and we get the odd WhereIterator or DistinctIterators since those are special iterator types
+                    || obj is IEnumerable)
+                {
+                    //if it is a IEnumerable<>, IList<T> or ICollection<> we'll use a List<>
+                    var genericType = typeof(List<>).MakeGenericType(type.GetGenericArguments());
+                    //pass in obj to fill the list
+                    return (IList)Activator.CreateInstance(genericType, obj);
+                }
+	        }
+
+	        if (type.IsArray)
+	        {
+                //if its an array, we'll use a List<>
+	            var genericType = typeof(List<>).MakeGenericType(type.GetElementType());
+                //pass in obj to fill the list
+	            return (IList)Activator.CreateInstance(genericType, obj);
+            }
+
+            return null;
+	    }
+
         /// <summary>
         /// Checks if the method is actually overriding a base method
         /// </summary>
@@ -45,8 +86,8 @@ namespace Umbraco.Core
             if (assembly.IsAppCodeAssembly() || assembly.IsGlobalAsaxAssembly())
                 return EmptyAssemblies;
 
-            
-            // find all assembly references that are referencing the current type's assembly since we 
+
+            // find all assembly references that are referencing the current type's assembly since we
             // should only be scanning those assemblies because any other assembly will definitely not
             // contain sub type's of the one we're currently looking for
             var name = assembly.GetName().Name;

src/Umbraco.Core/Udi.cs

@@ -101,7 +101,8 @@ namespace Umbraco.Core
         public override string ToString()
         {
             // UriValue is created in the ctor and is never null
-            return UriValue.ToString();
+            // use AbsoluteUri here and not ToString else it's not encoded!
+            return UriValue.AbsoluteUri;
         }
 
         /// <summary>
@@ -159,7 +160,7 @@ namespace Umbraco.Core
             }
             if (udiType == UdiType.StringUdi)
             {
-                udi = path == string.Empty ? GetRootUdi(uri.Host) : new StringUdi(uri.Host, path);
+                udi = path == string.Empty ? GetRootUdi(uri.Host) : new StringUdi(uri.Host, Uri.UnescapeDataString(path));
                 return true;
             }
             if (tryParse) return false;

src/Umbraco.Core/UdiGetterExtensions.cs

@@ -198,7 +198,13 @@ namespace Umbraco.Core
         public static StringUdi GetUdi(this IPartialView entity)
         {
             if (entity == null) throw new ArgumentNullException("entity");
-            return new StringUdi(Constants.UdiEntityType.PartialView, entity.Path.TrimStart('/')).EnsureClosed();
+
+            // we should throw on Unknown but for the time being, assume it means PartialView
+            var entityType = entity.ViewType == PartialViewType.PartialViewMacro 
+                ? Constants.UdiEntityType.PartialViewMacro 
+                : Constants.UdiEntityType.PartialView;
+
+            return new StringUdi(entityType, entity.Path.TrimStart('/')).EnsureClosed();
         }
 
         /// <summary>

src/Umbraco.Core/Umbraco.Core.csproj

@@ -100,9 +100,8 @@
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Semver, Version=2.0.4.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Semver.2.0.4\lib\netstandard1.1\Semver.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Semver, Version=1.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\semver.1.1.2\lib\net45\Semver.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.Composition" />
@@ -238,6 +237,7 @@
     <Compile Include="Configuration\UmbracoSettings\ContentError404Collection.cs" />
     <Compile Include="Configuration\UmbracoSettings\ContentErrorPageElement.cs" />
     <Compile Include="Configuration\UmbracoSettings\ContentErrorsElement.cs" />
+    <Compile Include="Configuration\UmbracoSettings\ContentSectionExtensions.cs" />
     <Compile Include="Configuration\UmbracoSettings\ImagingAutoFillPropertiesCollection.cs" />
     <Compile Include="Configuration\UmbracoSettings\ImagingAutoFillUploadFieldElement.cs" />
     <Compile Include="Configuration\UmbracoSettings\ContentImagingElement.cs" />
@@ -292,6 +292,7 @@
     <Compile Include="Configuration\UmbracoSettings\RazorStaticMappingElement.cs" />
     <Compile Include="Configuration\UmbracoSettings\RepositoriesCollection.cs" />
     <Compile Include="Configuration\UmbracoSettings\RepositoriesElement.cs" />
+    <Compile Include="Configuration\UmbracoSettings\RepositoryConfigExtensions.cs" />
     <Compile Include="Configuration\UmbracoSettings\RepositoryElement.cs" />
     <Compile Include="Configuration\UmbracoSettings\RequestHandlerElement.cs" />
     <Compile Include="Configuration\UmbracoSettings\ScheduledTaskElement.cs" />
@@ -338,7 +339,11 @@
     <Compile Include="Events\IDeletingMediaFilesEventArgs.cs" />
     <Compile Include="Events\ScopeEventDispatcherBase.cs" />
     <Compile Include="Events\ScopeLifespanMessagesFactory.cs" />
+    <Compile Include="Events\SupersedeEventAttribute.cs" />
+    <Compile Include="Exceptions\ConnectionException.cs" />
+    <Compile Include="HashCodeHelper.cs" />
     <Compile Include="IHttpContextAccessor.cs" />
+    <Compile Include="Models\EntityBase\IDeletableEntity.cs" />
     <Compile Include="Models\PublishedContent\PublishedContentTypeConverter.cs" />
     <Compile Include="OrderedHashSet.cs" />
     <Compile Include="Events\UninstallPackageEventArgs.cs" />

src/Umbraco.Core/packages.config

@@ -15,11 +15,7 @@
   <package id="MySql.Data" version="6.9.9" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="Semver" version="2.0.4" targetFramework="net45" />
+  <package id="semver" version="1.1.2" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
-  <package id="System.Runtime" version="4.3.0" targetFramework="net45" />
-  <package id="System.Runtime.Extensions" version="4.3.0" targetFramework="net45" />
-  <package id="System.Runtime.InteropServices" version="4.3.0" targetFramework="net45" />
-  <package id="System.Text.RegularExpressions" version="4.3.0" targetFramework="net45" />
 </packages>

src/Umbraco.Tests/App.config

@@ -79,6 +79,7 @@
   </system.data>
 
   <system.web>
+    <httpRuntime targetFramework="4.5" />
     <compilation defaultLanguage="c#" debug="true" batch="false" targetFramework="4.0"></compilation>
     <machineKey validationKey="5E7B955FCE36F5F2A867C2A0D85DC61E7FEA9E15F1561E8386F78BFE9EE23FF18B21E6A44AA17300B3B9D5DBEB37AA61A2C73884A5BBEDA6D3B14BA408A7A8CD" decryptionKey="116B853D031219E404E088FCA0986D6CF2DFA77E1957B59FCC9404B8CA3909A1" validation="SHA1" decryption="AES" />
     <!--<trust level="Medium" originUrl=".*"/>-->

src/Umbraco.Tests/Cache/CacheRefresherEventHandlerTests.cs

@@ -7,6 +7,7 @@ using Umbraco.Core.Models.Membership;
 using Umbraco.Core.Services;
 using Umbraco.Tests.TestHelpers;
 using Umbraco.Web.Cache;
+using System.Linq;
 
 namespace Umbraco.Tests.Cache
 {
@@ -31,70 +32,70 @@ namespace Umbraco.Tests.Cache
                 new EventDefinition<ISectionService, EventArgs>(null, ServiceContext.SectionService, new EventArgs(), "Deleted"),
                 new EventDefinition<ISectionService, EventArgs>(null, ServiceContext.SectionService, new EventArgs(), "New"),
 
-                new EventDefinition<IUserService, SaveEventArgs<IUserType>>(null, ServiceContext.UserService, new SaveEventArgs<IUserType>((IUserType) null)),
-                new EventDefinition<IUserService, DeleteEventArgs<IUserType>>(null, ServiceContext.UserService, new DeleteEventArgs<IUserType>((IUserType) null)),
+                new EventDefinition<IUserService, SaveEventArgs<IUserType>>(null, ServiceContext.UserService, new SaveEventArgs<IUserType>(Enumerable.Empty<IUserType>())),
+                new EventDefinition<IUserService, DeleteEventArgs<IUserType>>(null, ServiceContext.UserService, new DeleteEventArgs<IUserType>(Enumerable.Empty<IUserType>())),
 
-                new EventDefinition<IUserService, SaveEventArgs<IUser>>(null, ServiceContext.UserService, new SaveEventArgs<IUser>((IUser) null)),
-                new EventDefinition<IUserService, DeleteEventArgs<IUser>>(null, ServiceContext.UserService, new DeleteEventArgs<IUser>((IUser) null)),
-                new EventDefinition<IUserService, DeleteEventArgs<IUser>>(null, ServiceContext.UserService, new DeleteEventArgs<IUser>((IUser) null)),
+                new EventDefinition<IUserService, SaveEventArgs<IUser>>(null, ServiceContext.UserService, new SaveEventArgs<IUser>(Enumerable.Empty<IUser>())),
+                new EventDefinition<IUserService, DeleteEventArgs<IUser>>(null, ServiceContext.UserService, new DeleteEventArgs<IUser>(Enumerable.Empty<IUser>())),
+                new EventDefinition<IUserService, DeleteEventArgs<IUser>>(null, ServiceContext.UserService, new DeleteEventArgs<IUser>(Enumerable.Empty<IUser>())),
 
-                new EventDefinition<ILocalizationService, SaveEventArgs<IDictionaryItem>>(null, ServiceContext.LocalizationService, new SaveEventArgs<IDictionaryItem>((IDictionaryItem) null)),
-                new EventDefinition<ILocalizationService, DeleteEventArgs<IDictionaryItem>>(null, ServiceContext.LocalizationService, new DeleteEventArgs<IDictionaryItem>((IDictionaryItem) null)),
+                new EventDefinition<ILocalizationService, SaveEventArgs<IDictionaryItem>>(null, ServiceContext.LocalizationService, new SaveEventArgs<IDictionaryItem>(Enumerable.Empty<IDictionaryItem>())),
+                new EventDefinition<ILocalizationService, DeleteEventArgs<IDictionaryItem>>(null, ServiceContext.LocalizationService, new DeleteEventArgs<IDictionaryItem>(Enumerable.Empty<IDictionaryItem>())),
 
-                new EventDefinition<IDataTypeService, SaveEventArgs<IDataTypeDefinition>>(null, ServiceContext.DataTypeService, new SaveEventArgs<IDataTypeDefinition>((IDataTypeDefinition) null)),
-                new EventDefinition<IDataTypeService, DeleteEventArgs<IDataTypeDefinition>>(null, ServiceContext.DataTypeService, new DeleteEventArgs<IDataTypeDefinition>((IDataTypeDefinition) null)),
+                new EventDefinition<IDataTypeService, SaveEventArgs<IDataTypeDefinition>>(null, ServiceContext.DataTypeService, new SaveEventArgs<IDataTypeDefinition>(Enumerable.Empty<IDataTypeDefinition>())),
+                new EventDefinition<IDataTypeService, DeleteEventArgs<IDataTypeDefinition>>(null, ServiceContext.DataTypeService, new DeleteEventArgs<IDataTypeDefinition>(Enumerable.Empty<IDataTypeDefinition>())),
 
-                new EventDefinition<IFileService, SaveEventArgs<Stylesheet>>(null, ServiceContext.FileService, new SaveEventArgs<Stylesheet>((Stylesheet) null)),
-                new EventDefinition<IFileService, DeleteEventArgs<Stylesheet>>(null, ServiceContext.FileService, new DeleteEventArgs<Stylesheet>((Stylesheet) null)),
+                new EventDefinition<IFileService, SaveEventArgs<Stylesheet>>(null, ServiceContext.FileService, new SaveEventArgs<Stylesheet>(Enumerable.Empty<Stylesheet>())),
+                new EventDefinition<IFileService, DeleteEventArgs<Stylesheet>>(null, ServiceContext.FileService, new DeleteEventArgs<Stylesheet>(Enumerable.Empty<Stylesheet>())),
 
-                new EventDefinition<IDomainService, SaveEventArgs<IDomain>>(null, ServiceContext.DomainService, new SaveEventArgs<IDomain>((IDomain) null)),
-                new EventDefinition<IDomainService, DeleteEventArgs<IDomain>>(null, ServiceContext.DomainService, new DeleteEventArgs<IDomain>((IDomain) null)),
+                new EventDefinition<IDomainService, SaveEventArgs<IDomain>>(null, ServiceContext.DomainService, new SaveEventArgs<IDomain>(Enumerable.Empty<IDomain>())),
+                new EventDefinition<IDomainService, DeleteEventArgs<IDomain>>(null, ServiceContext.DomainService, new DeleteEventArgs<IDomain>(Enumerable.Empty<IDomain>())),
 
-                new EventDefinition<ILocalizationService, SaveEventArgs<ILanguage>>(null, ServiceContext.LocalizationService, new SaveEventArgs<ILanguage>((ILanguage) null)),
-                new EventDefinition<ILocalizationService, DeleteEventArgs<ILanguage>>(null, ServiceContext.LocalizationService, new DeleteEventArgs<ILanguage>((ILanguage) null)),
+                new EventDefinition<ILocalizationService, SaveEventArgs<ILanguage>>(null, ServiceContext.LocalizationService, new SaveEventArgs<ILanguage>(Enumerable.Empty<ILanguage>())),
+                new EventDefinition<ILocalizationService, DeleteEventArgs<ILanguage>>(null, ServiceContext.LocalizationService, new DeleteEventArgs<ILanguage>(Enumerable.Empty<ILanguage>())),
 
-                new EventDefinition<IContentTypeService, SaveEventArgs<IContentType>>(null, ServiceContext.ContentTypeService, new SaveEventArgs<IContentType>((IContentType) null)),
-                new EventDefinition<IContentTypeService, DeleteEventArgs<IContentType>>(null, ServiceContext.ContentTypeService, new DeleteEventArgs<IContentType>((IContentType) null)),
-                new EventDefinition<IContentTypeService, SaveEventArgs<IMediaType>>(null, ServiceContext.ContentTypeService, new SaveEventArgs<IMediaType>((IMediaType) null)),
-                new EventDefinition<IContentTypeService, DeleteEventArgs<IMediaType>>(null, ServiceContext.ContentTypeService, new DeleteEventArgs<IMediaType>((IMediaType) null)),
+                new EventDefinition<IContentTypeService, SaveEventArgs<IContentType>>(null, ServiceContext.ContentTypeService, new SaveEventArgs<IContentType>(Enumerable.Empty<IContentType>())),
+                new EventDefinition<IContentTypeService, DeleteEventArgs<IContentType>>(null, ServiceContext.ContentTypeService, new DeleteEventArgs<IContentType>(Enumerable.Empty<IContentType>())),
+                new EventDefinition<IContentTypeService, SaveEventArgs<IMediaType>>(null, ServiceContext.ContentTypeService, new SaveEventArgs<IMediaType>(Enumerable.Empty<IMediaType>())),
+                new EventDefinition<IContentTypeService, DeleteEventArgs<IMediaType>>(null, ServiceContext.ContentTypeService, new DeleteEventArgs<IMediaType>(Enumerable.Empty<IMediaType>())),
 
-                new EventDefinition<IMemberTypeService, SaveEventArgs<IMemberType>>(null, ServiceContext.MemberTypeService, new SaveEventArgs<IMemberType>((IMemberType) null)),
-                new EventDefinition<IMemberTypeService, DeleteEventArgs<IMemberType>>(null, ServiceContext.MemberTypeService, new DeleteEventArgs<IMemberType>((IMemberType) null)),
+                new EventDefinition<IMemberTypeService, SaveEventArgs<IMemberType>>(null, ServiceContext.MemberTypeService, new SaveEventArgs<IMemberType>(Enumerable.Empty<IMemberType>())),
+                new EventDefinition<IMemberTypeService, DeleteEventArgs<IMemberType>>(null, ServiceContext.MemberTypeService, new DeleteEventArgs<IMemberType>(Enumerable.Empty<IMemberType>())),
 
-                new EventDefinition<IFileService, SaveEventArgs<ITemplate>>(null, ServiceContext.FileService, new SaveEventArgs<ITemplate>((ITemplate) null)),
-                new EventDefinition<IFileService, DeleteEventArgs<ITemplate>>(null, ServiceContext.FileService, new DeleteEventArgs<ITemplate>((ITemplate) null)),
+                new EventDefinition<IFileService, SaveEventArgs<ITemplate>>(null, ServiceContext.FileService, new SaveEventArgs<ITemplate>(Enumerable.Empty<ITemplate>())),
+                new EventDefinition<IFileService, DeleteEventArgs<ITemplate>>(null, ServiceContext.FileService, new DeleteEventArgs<ITemplate>(Enumerable.Empty<ITemplate>())),
 
-                new EventDefinition<IMacroService, SaveEventArgs<IMacro>>(null, ServiceContext.MacroService, new SaveEventArgs<IMacro>((IMacro) null)),
-                new EventDefinition<IMacroService, DeleteEventArgs<IMacro>>(null, ServiceContext.MacroService, new DeleteEventArgs<IMacro>((IMacro) null)),
+                new EventDefinition<IMacroService, SaveEventArgs<IMacro>>(null, ServiceContext.MacroService, new SaveEventArgs<IMacro>(Enumerable.Empty<IMacro>())),
+                new EventDefinition<IMacroService, DeleteEventArgs<IMacro>>(null, ServiceContext.MacroService, new DeleteEventArgs<IMacro>(Enumerable.Empty<IMacro>())),
 
-                new EventDefinition<IMemberService, SaveEventArgs<IMember>>(null, ServiceContext.MemberService, new SaveEventArgs<IMember>((IMember) null)),
-                new EventDefinition<IMemberService, DeleteEventArgs<IMember>>(null, ServiceContext.MemberService, new DeleteEventArgs<IMember>((IMember) null)),
+                new EventDefinition<IMemberService, SaveEventArgs<IMember>>(null, ServiceContext.MemberService, new SaveEventArgs<IMember>(Enumerable.Empty<IMember>())),
+                new EventDefinition<IMemberService, DeleteEventArgs<IMember>>(null, ServiceContext.MemberService, new DeleteEventArgs<IMember>(Enumerable.Empty<IMember>())),
 
-                new EventDefinition<IMemberGroupService, SaveEventArgs<IMemberGroup>>(null, ServiceContext.MemberGroupService, new SaveEventArgs<IMemberGroup>((IMemberGroup) null)),
-                new EventDefinition<IMemberGroupService, DeleteEventArgs<IMemberGroup>>(null, ServiceContext.MemberGroupService, new DeleteEventArgs<IMemberGroup>((IMemberGroup) null)),
+                new EventDefinition<IMemberGroupService, SaveEventArgs<IMemberGroup>>(null, ServiceContext.MemberGroupService, new SaveEventArgs<IMemberGroup>(Enumerable.Empty<IMemberGroup>())),
+                new EventDefinition<IMemberGroupService, DeleteEventArgs<IMemberGroup>>(null, ServiceContext.MemberGroupService, new DeleteEventArgs<IMemberGroup>(Enumerable.Empty<IMemberGroup>())),
 
-                new EventDefinition<IMediaService, SaveEventArgs<IMedia>>(null, ServiceContext.MediaService, new SaveEventArgs<IMedia>((IMedia) null)),
-                new EventDefinition<IMediaService, DeleteEventArgs<IMedia>>(null, ServiceContext.MediaService, new DeleteEventArgs<IMedia>((IMedia) null)),
+                new EventDefinition<IMediaService, SaveEventArgs<IMedia>>(null, ServiceContext.MediaService, new SaveEventArgs<IMedia>(Enumerable.Empty<IMedia>())),
+                new EventDefinition<IMediaService, DeleteEventArgs<IMedia>>(null, ServiceContext.MediaService, new DeleteEventArgs<IMedia>(Enumerable.Empty<IMedia>())),
                 new EventDefinition<IMediaService, MoveEventArgs<IMedia>>(null, ServiceContext.MediaService, new MoveEventArgs<IMedia>(new MoveEventInfo<IMedia>(null, "", -1)), "Moved"),
                 new EventDefinition<IMediaService, MoveEventArgs<IMedia>>(null, ServiceContext.MediaService, new MoveEventArgs<IMedia>(new MoveEventInfo<IMedia>(null, "", -1)), "Trashed"),
                 new EventDefinition<IMediaService, RecycleBinEventArgs>(null, ServiceContext.MediaService, new RecycleBinEventArgs(Guid.NewGuid(), new Dictionary<int, IEnumerable<Property>>(), true)),
 
-                new EventDefinition<IContentService, SaveEventArgs<IContent>>(null, ServiceContext.ContentService, new SaveEventArgs<IContent>((IContent) null)),
-                new EventDefinition<IContentService, DeleteEventArgs<IContent>>(null, ServiceContext.ContentService, new DeleteEventArgs<IContent>((IContent) null)),
+                new EventDefinition<IContentService, SaveEventArgs<IContent>>(null, ServiceContext.ContentService, new SaveEventArgs<IContent>(Enumerable.Empty<IContent>())),
+                new EventDefinition<IContentService, DeleteEventArgs<IContent>>(null, ServiceContext.ContentService, new DeleteEventArgs<IContent>(Enumerable.Empty<IContent>())),
                 new EventDefinition<IContentService, CopyEventArgs<IContent>>(null, ServiceContext.ContentService, new CopyEventArgs<IContent>(null, null, -1)),
                 new EventDefinition<IContentService, MoveEventArgs<IContent>>(null, ServiceContext.ContentService, new MoveEventArgs<IContent>(new MoveEventInfo<IContent>(null, "", -1)), "Trashed"),
                 new EventDefinition<IContentService, RecycleBinEventArgs>(null, ServiceContext.ContentService, new RecycleBinEventArgs(Guid.NewGuid(), new Dictionary<int, IEnumerable<Property>>(), true)),
-                new EventDefinition<IContentService, PublishEventArgs<IContent>>(null, ServiceContext.ContentService, new PublishEventArgs<IContent>((IContent) null), "Published"),
-                new EventDefinition<IContentService, PublishEventArgs<IContent>>(null, ServiceContext.ContentService, new PublishEventArgs<IContent>((IContent) null), "UnPublished"),
+                new EventDefinition<IContentService, PublishEventArgs<IContent>>(null, ServiceContext.ContentService, new PublishEventArgs<IContent>(Enumerable.Empty<IContent>()), "Published"),
+                new EventDefinition<IContentService, PublishEventArgs<IContent>>(null, ServiceContext.ContentService, new PublishEventArgs<IContent>(Enumerable.Empty<IContent>()), "UnPublished"),
 
-                new EventDefinition<IPublicAccessService, SaveEventArgs<PublicAccessEntry>>(null, ServiceContext.PublicAccessService, new SaveEventArgs<PublicAccessEntry>((PublicAccessEntry) null)),
-                new EventDefinition<IPublicAccessService, DeleteEventArgs<PublicAccessEntry>>(null, ServiceContext.PublicAccessService, new DeleteEventArgs<PublicAccessEntry>((PublicAccessEntry) null)),
+                new EventDefinition<IPublicAccessService, SaveEventArgs<PublicAccessEntry>>(null, ServiceContext.PublicAccessService, new SaveEventArgs<PublicAccessEntry>(Enumerable.Empty<PublicAccessEntry>())),
+                new EventDefinition<IPublicAccessService, DeleteEventArgs<PublicAccessEntry>>(null, ServiceContext.PublicAccessService, new DeleteEventArgs<PublicAccessEntry>(Enumerable.Empty<PublicAccessEntry>())),
 
-                new EventDefinition<IRelationService, SaveEventArgs<IRelationType>>(null, ServiceContext.RelationService, new SaveEventArgs<IRelationType>((IRelationType) null)),
-                new EventDefinition<IRelationService, DeleteEventArgs<IRelationType>>(null, ServiceContext.RelationService, new DeleteEventArgs<IRelationType>((IRelationType) null)),
+                new EventDefinition<IRelationService, SaveEventArgs<IRelationType>>(null, ServiceContext.RelationService, new SaveEventArgs<IRelationType>(Enumerable.Empty<IRelationType>())),
+                new EventDefinition<IRelationService, DeleteEventArgs<IRelationType>>(null, ServiceContext.RelationService, new DeleteEventArgs<IRelationType>(Enumerable.Empty<IRelationType>())),
 
-                new EventDefinition<IRelationService, SaveEventArgs<IRelationType>>(null, ServiceContext.RelationService, new SaveEventArgs<IRelationType>((IRelationType) null)),
-                new EventDefinition<IRelationService, DeleteEventArgs<IRelationType>>(null, ServiceContext.RelationService, new DeleteEventArgs<IRelationType>((IRelationType) null)),
+                new EventDefinition<IRelationService, SaveEventArgs<IRelationType>>(null, ServiceContext.RelationService, new SaveEventArgs<IRelationType>(Enumerable.Empty<IRelationType>())),
+                new EventDefinition<IRelationService, DeleteEventArgs<IRelationType>>(null, ServiceContext.RelationService, new DeleteEventArgs<IRelationType>(Enumerable.Empty<IRelationType>())),
             };
 
             foreach (var definition in definitions)

src/Umbraco.Tests/Configurations/UmbracoSettings/ContentElementTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using NUnit.Framework;
 using Umbraco.Core;
@@ -177,6 +178,39 @@ namespace Umbraco.Tests.Configurations.UmbracoSettings
         public void DisallowedUploadFiles()
         {
             Assert.IsTrue(SettingsSection.Content.DisallowedUploadFiles.All(x => "ashx,aspx,ascx,config,cshtml,vbhtml,asmx,air,axd".Split(',').Contains(x)));
+        }
+
+        [Test]
+        public void AllowedUploadFiles()
+        {
+            Assert.IsTrue(SettingsSection.Content.AllowedUploadFiles.All(x => "jpg,gif,png".Split(',').Contains(x)));
+        }
+
+        [Test]
+        [TestCase("png", true)]
+        [TestCase("jpg", true)]
+        [TestCase("gif", true)]
+        // TODO: Why does it flip to TestingDefaults=true for these two tests on AppVeyor. WHY?
+        //[TestCase("bmp", false)]
+        //[TestCase("php", false)]
+        [TestCase("ashx", false)]
+        [TestCase("config", false)]
+        public void IsFileAllowedForUpload_WithWhitelist(string extension, bool expected)
+        {
+            // Make really sure that defaults are NOT used
+            TestingDefaults = false;
+
+            Debug.WriteLine("Extension being tested", extension);
+            Debug.WriteLine("AllowedUploadFiles: {0}", SettingsSection.Content.AllowedUploadFiles);
+            Debug.WriteLine("DisallowedUploadFiles: {0}", SettingsSection.Content.DisallowedUploadFiles);
+
+            var allowedContainsExtension = SettingsSection.Content.AllowedUploadFiles.Any(x => x.InvariantEquals(extension));
+            var disallowedContainsExtension = SettingsSection.Content.DisallowedUploadFiles.Any(x => x.InvariantEquals(extension));
+
+            Debug.WriteLine("AllowedContainsExtension: {0}", allowedContainsExtension);
+            Debug.WriteLine("DisallowedContainsExtension: {0}", disallowedContainsExtension);
+
+            Assert.AreEqual(SettingsSection.Content.IsFileAllowedForUpload(extension), expected);
         }
     }
 }

src/Umbraco.Tests/Configurations/UmbracoSettings/UmbracoSettingsTests.cs

@@ -1,7 +1,7 @@
 using System.Configuration;
+using System.Diagnostics;
 using System.IO;
 using NUnit.Framework;
-using Umbraco.Core.Configuration;
 using Umbraco.Core.Configuration.UmbracoSettings;
 using Umbraco.Tests.TestHelpers;
 
@@ -9,20 +9,17 @@ namespace Umbraco.Tests.Configurations.UmbracoSettings
 {
     public abstract class UmbracoSettingsTests
     {
-        
-        protected virtual bool TestingDefaults
-        {
-            get { return false; }
-        }
+        protected virtual bool TestingDefaults { get; set; }
 
         [SetUp]
         public void Init()
         {
             var config = new FileInfo(TestHelper.MapPathForTest("~/Configurations/UmbracoSettings/web.config"));
-            
-            var fileMap = new ExeConfigurationFileMap() { ExeConfigFilename = config.FullName };
-            var configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
 
+            var fileMap = new ExeConfigurationFileMap() { ExeConfigFilename = config.FullName };
+            var configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
+
+            Debug.WriteLine("Testing defaults? {0}", TestingDefaults);
             if (TestingDefaults)
             {
                 SettingsSection = configuration.GetSection("umbracoConfiguration/defaultSettings") as UmbracoSettingsSection;
@@ -32,8 +29,6 @@ namespace Umbraco.Tests.Configurations.UmbracoSettings
                 SettingsSection = configuration.GetSection("umbracoConfiguration/settings") as UmbracoSettingsSection;
             }
 
-            
-
             Assert.IsNotNull(SettingsSection);
         }
 

src/Umbraco.Tests/Configurations/UmbracoSettings/umbracoSettings.config

@@ -100,6 +100,9 @@
     <!-- These file types will not be allowed to be uploaded via the upload control for media and content -->
     <disallowedUploadFiles>ashx,aspx,ascx,config,cshtml,vbhtml,asmx,air,axd</disallowedUploadFiles>
 
+    <!-- If completed, only the file extensions listed below will be allowed to be uploaded.  If empty, disallowedUploadFiles will apply to prevent upload of specific file extensions. -->
+    <allowedUploadFiles>jpg,png,gif</allowedUploadFiles>    
+
     <!-- Defines the default document type property used when adding properties in the back-office (if missing or empty, defaults to Textstring -->
     <defaultDocumentTypeProperty>Textstring</defaultDocumentTypeProperty>
   </content>

src/Umbraco.Tests/Persistence/Repositories/PartialViewRepositoryTests.cs

@@ -37,14 +37,14 @@ namespace Umbraco.Tests.Persistence.Repositories
             var unitOfWork = provider.GetUnitOfWork();
             var repository = new PartialViewRepository(unitOfWork, _fileSystem);
 
-            var partialView = new PartialView("test-path-1.cshtml") { Content = "// partialView" };
+            var partialView = new PartialView(PartialViewType.PartialView, "test-path-1.cshtml") { Content = "// partialView" };
             repository.AddOrUpdate(partialView);
             unitOfWork.Commit();
             Assert.IsTrue(_fileSystem.FileExists("test-path-1.cshtml"));
             Assert.AreEqual("test-path-1.cshtml", partialView.Path);
             Assert.AreEqual("/Views/Partials/test-path-1.cshtml", partialView.VirtualPath);
 
-            partialView = new PartialView("path-2/test-path-2.cshtml") { Content = "// partialView" };
+            partialView = new PartialView(PartialViewType.PartialView, "path-2/test-path-2.cshtml") { Content = "// partialView" };
             repository.AddOrUpdate(partialView);
             unitOfWork.Commit();
             Assert.IsTrue(_fileSystem.FileExists("path-2/test-path-2.cshtml"));
@@ -56,7 +56,7 @@ namespace Umbraco.Tests.Persistence.Repositories
             Assert.AreEqual("path-2\\test-path-2.cshtml", partialView.Path);
             Assert.AreEqual("/Views/Partials/path-2/test-path-2.cshtml", partialView.VirtualPath);
 
-            partialView = new PartialView("path-2\\test-path-3.cshtml") { Content = "// partialView" };
+            partialView = new PartialView(PartialViewType.PartialView, "path-2\\test-path-3.cshtml") { Content = "// partialView" };
             repository.AddOrUpdate(partialView);
             unitOfWork.Commit();
             Assert.IsTrue(_fileSystem.FileExists("path-2/test-path-3.cshtml"));
@@ -73,7 +73,7 @@ namespace Umbraco.Tests.Persistence.Repositories
             Assert.AreEqual("path-2\\test-path-3.cshtml", partialView.Path);
             Assert.AreEqual("/Views/Partials/path-2/test-path-3.cshtml", partialView.VirtualPath);
 
-            partialView = new PartialView("\\test-path-4.cshtml") { Content = "// partialView" };
+            partialView = new PartialView(PartialViewType.PartialView, "\\test-path-4.cshtml") { Content = "// partialView" };
             Assert.Throws<FileSecurityException>(() => // fixed in 7.3 - 7.2.8 used to strip the \
             {
                 repository.AddOrUpdate(partialView);

src/Umbraco.Tests/Scoping/ScopeEventDispatcherTests.cs

@@ -4,13 +4,16 @@ using System.Linq;
 using Moq;
 using NUnit.Framework;
 using Umbraco.Core.Events;
+using Umbraco.Core.Models;
 using Umbraco.Core.Persistence;
 using Umbraco.Core.Scoping;
+using Umbraco.Tests.TestHelpers;
+using Umbraco.Tests.TestHelpers.Entities;
 
 namespace Umbraco.Tests.Scoping
 {
     [TestFixture]
-    public class ScopeEventDispatcherTests
+    public class ScopeEventDispatcherTests : BaseUmbracoConfigurationTest
     {
         [SetUp]
         public void Setup()
@@ -79,7 +82,7 @@ namespace Umbraco.Tests.Scoping
                 var events = scope.Events.GetEvents(EventDefinitionFilter.All).ToArray();
 
                 var knownNames = new[] { "DoThing1", "DoThing2", "DoThing3" };
-                var knownArgTypes = new[] { typeof (SaveEventArgs<string>), typeof (SaveEventArgs<int>), typeof (SaveEventArgs<decimal>) };
+                var knownArgTypes = new[] { typeof(SaveEventArgs<string>), typeof(SaveEventArgs<int>), typeof(SaveEventArgs<decimal>) };
 
                 for (var i = 0; i < events.Length; i++)
                 {
@@ -89,6 +92,166 @@ namespace Umbraco.Tests.Scoping
             }
         }
 
+        [Test]
+        public void SupersededEvents()
+        {
+            DoSaveForContent += OnDoThingFail;
+            DoDeleteForContent += OnDoThingFail;
+            DoForTestArgs += OnDoThingFail;
+            DoForTestArgs2 += OnDoThingFail;
+            
+            var contentType = MockedContentTypes.CreateBasicContentType();
+
+            var content1 = MockedContent.CreateBasicContent(contentType);
+            content1.Id = 123;
+
+            var content2 = MockedContent.CreateBasicContent(contentType);
+            content2.Id = 456;
+
+            var content3 = MockedContent.CreateBasicContent(contentType);
+            content3.Id = 789;
+
+            var scopeProvider = new ScopeProvider(Mock.Of<IDatabaseFactory2>());
+            using (var scope = scopeProvider.CreateScope(eventDispatcher: new PassiveEventDispatcher()))
+            {
+                
+                //content1 will be filtered from the args
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(new[]{ content1 , content3}));
+                scope.Events.Dispatch(DoDeleteForContent, this, new DeleteEventArgs<IContent>(content1));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content2));
+                //this entire event will be filtered
+                scope.Events.Dispatch(DoForTestArgs, this, new TestEventArgs(content1));
+                scope.Events.Dispatch(DoForTestArgs2, this, new TestEventArgs2(content1));
+
+                // events have been queued
+                var events = scope.Events.GetEvents(EventDefinitionFilter.All).ToArray();
+                Assert.AreEqual(4, events.Length);
+
+                Assert.AreEqual(typeof(SaveEventArgs<IContent>), events[0].Args.GetType());
+                Assert.AreEqual(1, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.Count());
+                Assert.AreEqual(content3.Id, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.First().Id);
+
+                Assert.AreEqual(typeof(DeleteEventArgs<IContent>), events[1].Args.GetType());
+                Assert.AreEqual(content1.Id, ((DeleteEventArgs<IContent>) events[1].Args).DeletedEntities.First().Id);
+
+                Assert.AreEqual(typeof(SaveEventArgs<IContent>), events[2].Args.GetType());
+                Assert.AreEqual(content2.Id, ((SaveEventArgs<IContent>)events[2].Args).SavedEntities.First().Id);
+
+                Assert.AreEqual(typeof(TestEventArgs2), events[3].Args.GetType());
+            }
+        }
+
+        /// <summary>
+        /// This will test that when we track events that before we Get the events we normalize all of the
+        /// event entities to be the latest one (most current) found amongst the event so that there is 
+        /// no 'stale' entities in any of the args
+        /// </summary>
+        [Test]
+        public void LatestEntities()
+        {
+            DoSaveForContent += OnDoThingFail;            
+
+            var now = DateTime.Now;
+            var contentType = MockedContentTypes.CreateBasicContentType();
+            var content1 = MockedContent.CreateBasicContent(contentType);
+            content1.Id = 123;
+            content1.UpdateDate = now.AddMinutes(1);
+            var content2 = MockedContent.CreateBasicContent(contentType);
+            content2.Id = 123;
+            content2.UpdateDate = now.AddMinutes(2);
+            var content3 = MockedContent.CreateBasicContent(contentType);
+            content3.Id = 123;
+            content3.UpdateDate = now.AddMinutes(3);
+
+            var scopeProvider = new ScopeProvider(Mock.Of<IDatabaseFactory2>());
+            using (var scope = scopeProvider.CreateScope(eventDispatcher: new PassiveEventDispatcher()))
+            {                                
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content1));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content2));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content3));
+
+                // events have been queued
+                var events = scope.Events.GetEvents(EventDefinitionFilter.All).ToArray();
+                Assert.AreEqual(3, events.Length);
+                
+                foreach (var t in events)
+                {
+                    var args = (SaveEventArgs<IContent>)t.Args;
+                    foreach (var entity in args.SavedEntities)
+                    {
+                        Assert.AreEqual(content3, entity);
+                        Assert.IsTrue(object.ReferenceEquals(content3, entity));
+                    }
+                }
+            }
+        }
+
+        [Test]
+        public void FirstIn()
+        {
+            DoSaveForContent += OnDoThingFail;
+
+            var now = DateTime.Now;
+            var contentType = MockedContentTypes.CreateBasicContentType();
+            var content1 = MockedContent.CreateBasicContent(contentType);
+            content1.Id = 123;
+            content1.UpdateDate = now.AddMinutes(1);
+            var content2 = MockedContent.CreateBasicContent(contentType);
+            content2.Id = 123;
+            content1.UpdateDate = now.AddMinutes(2);
+            var content3 = MockedContent.CreateBasicContent(contentType);
+            content3.Id = 123;
+            content1.UpdateDate = now.AddMinutes(3);
+
+            var scopeProvider = new ScopeProvider(Mock.Of<IDatabaseFactory2>());
+            using (var scope = scopeProvider.CreateScope(eventDispatcher: new PassiveEventDispatcher()))
+            {
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content1));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content2));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content3));
+
+                // events have been queued
+                var events = scope.Events.GetEvents(EventDefinitionFilter.FirstIn).ToArray();
+                Assert.AreEqual(1, events.Length);                
+                Assert.AreEqual(content1, ((SaveEventArgs<IContent>) events[0].Args).SavedEntities.First());
+                Assert.IsTrue(object.ReferenceEquals(content1, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.First()));
+                Assert.AreEqual(content1.UpdateDate, ((SaveEventArgs<IContent>) events[0].Args).SavedEntities.First().UpdateDate);
+            }
+        }
+
+        [Test]
+        public void LastIn()
+        {
+            DoSaveForContent += OnDoThingFail;
+
+            var now = DateTime.Now;
+            var contentType = MockedContentTypes.CreateBasicContentType();
+            var content1 = MockedContent.CreateBasicContent(contentType);
+            content1.Id = 123;
+            content1.UpdateDate = now.AddMinutes(1);
+            var content2 = MockedContent.CreateBasicContent(contentType);
+            content2.Id = 123;
+            content2.UpdateDate = now.AddMinutes(2);
+            var content3 = MockedContent.CreateBasicContent(contentType);
+            content3.Id = 123;
+            content3.UpdateDate = now.AddMinutes(3);
+
+            var scopeProvider = new ScopeProvider(Mock.Of<IDatabaseFactory2>());
+            using (var scope = scopeProvider.CreateScope(eventDispatcher: new PassiveEventDispatcher()))
+            {
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content1));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content2));
+                scope.Events.Dispatch(DoSaveForContent, this, new SaveEventArgs<IContent>(content3));
+
+                // events have been queued
+                var events = scope.Events.GetEvents(EventDefinitionFilter.LastIn).ToArray();
+                Assert.AreEqual(1, events.Length);
+                Assert.AreEqual(content3, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.First());
+                Assert.IsTrue(object.ReferenceEquals(content3, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.First()));
+                Assert.AreEqual(content3.UpdateDate, ((SaveEventArgs<IContent>)events[0].Args).SavedEntities.First().UpdateDate);
+            }
+        }
+
         [TestCase(true)]
         [TestCase(false)]
         public void EventsDispatching_Passive(bool complete)
@@ -177,12 +340,41 @@ namespace Umbraco.Tests.Scoping
             Assert.Fail();
         }
 
+        public static event EventHandler<SaveEventArgs<IContent>> DoSaveForContent;
+        public static event EventHandler<DeleteEventArgs<IContent>> DoDeleteForContent;
+        public static event EventHandler<TestEventArgs> DoForTestArgs;
+        public static event EventHandler<TestEventArgs2> DoForTestArgs2;
         public static event EventHandler<SaveEventArgs<string>> DoThing1;
 
         public static event EventHandler<SaveEventArgs<int>> DoThing2;
 
         public static event TypedEventHandler<ScopeEventDispatcherTests, SaveEventArgs<decimal>> DoThing3;
 
+        public class TestEventArgs : CancellableObjectEventArgs
+        {
+            public TestEventArgs(object eventObject) : base(eventObject)
+            {
+            }
+
+            public object MyEventObject
+            {
+                get { return EventObject; }
+            }
+        }
+
+        [SupersedeEvent(typeof(TestEventArgs))]
+        public class TestEventArgs2 : CancellableObjectEventArgs
+        {
+            public TestEventArgs2(object eventObject) : base(eventObject)
+            {
+            }
+
+            public object MyEventObject
+            {
+                get { return EventObject; }
+            }
+        }
+
         public class PassiveEventDispatcher : ScopeEventDispatcherBase
         {
             public PassiveEventDispatcher()

src/Umbraco.Tests/Scoping/ScopeTests.cs

@@ -591,7 +591,7 @@ namespace Umbraco.Tests.Scoping
                         Assert.IsNull(scopeProvider.AmbientContext);
 
                         // back to original thread
-                        ScopeProvider.HttpContextItemsGetter = () => httpContextItems; 
+                        ScopeProvider.HttpContextItemsGetter = () => httpContextItems;
                     }
                     Assert.IsNotNull(scopeProvider.AmbientScope);
                     Assert.AreSame(scope, scopeProvider.AmbientScope);
@@ -656,6 +656,44 @@ namespace Umbraco.Tests.Scoping
             Assert.IsNotNull(ambientContext); // the context is still there
         }
 
+        [TestCase(true)]
+        [TestCase(false)]
+        public void ScopeContextEnlistAgain(bool complete)
+        {
+            var scopeProvider = DatabaseContext.ScopeProvider;
+
+            bool? completed = null;
+            Exception exception = null;
+
+            Assert.IsNull(scopeProvider.AmbientScope);
+            using (var scope = scopeProvider.CreateScope())
+            {
+                scopeProvider.Context.Enlist("name", c =>
+                {
+                    completed = c;
+
+                    // at that point the scope is gone, but the context is still there
+                    var ambientContext = scopeProvider.AmbientContext;
+
+                    try
+                    {
+                        ambientContext.Enlist("another", c2 => { });
+                    }
+                    catch (Exception e)
+                    {
+                        exception = e;
+                    }
+                });
+                if (complete)
+                    scope.Complete();
+            }
+            Assert.IsNull(scopeProvider.AmbientScope);
+            Assert.IsNull(scopeProvider.AmbientContext);
+            Assert.IsNotNull(completed);
+            Assert.IsNotNull(exception);
+            Assert.IsInstanceOf<InvalidOperationException>(exception);
+        }
+
         [Test]
         public void ScopeContextException()
         {

src/Umbraco.Tests/Scoping/ScopedXmlTests.cs

@@ -179,7 +179,9 @@ namespace Umbraco.Tests.Scoping
                     scope.Complete();
             }
 
-            Assert.AreEqual(complete ? 2 : 0, evented);
+            //The reason why there is only 1 event occuring is because we are publishing twice for the same event for the same
+            //object and the scope deduplicates the events (uses the latest)
+            Assert.AreEqual(complete ? 1 : 0, evented);
 
             // this should never change
             Assert.AreEqual(beforeOuterXml, beforeXml.OuterXml);

src/Umbraco.Tests/UdiTests.cs

@@ -31,6 +31,57 @@ namespace Umbraco.Tests
             Assert.AreEqual("umb://" + Constants.UdiEntityType.AnyString + "/test-id", udi.ToString());
         }
 
+        [Test]
+        public void StringEncodingTest()
+        {
+            // absolute path is unescaped
+            var uri = new Uri("umb://" + Constants.UdiEntityType.AnyString + "/this%20is%20a%20test");
+            Assert.AreEqual("umb://" + Constants.UdiEntityType.AnyString + "/this is a test", uri.ToString());
+            Assert.AreEqual("umb://" + Constants.UdiEntityType.AnyString + "/this%20is%20a%20test", uri.AbsoluteUri);
+            Assert.AreEqual("/this%20is%20a%20test", uri.AbsolutePath);
+
+            Assert.AreEqual("/this is a test", Uri.UnescapeDataString(uri.AbsolutePath));
+            Assert.AreEqual("%2Fthis%20is%20a%20test", Uri.EscapeDataString("/this is a test"));
+            Assert.AreEqual("/this%20is%20a%20test", Uri.EscapeUriString("/this is a test"));
+
+            var udi = Udi.Parse("umb://" + Constants.UdiEntityType.AnyString + "/this%20is%20a%20test");
+            Assert.AreEqual(Constants.UdiEntityType.AnyString, udi.EntityType);
+            Assert.IsInstanceOf<StringUdi>(udi);
+            var stringEntityId = udi as StringUdi;
+            Assert.IsNotNull(stringEntityId);
+            Assert.AreEqual("this is a test", stringEntityId.Id);
+            Assert.AreEqual("umb://" + Constants.UdiEntityType.AnyString + "/this%20is%20a%20test", udi.ToString());
+
+            var udi2 = new StringUdi(Constants.UdiEntityType.AnyString, "this is a test");
+            Assert.AreEqual(udi, udi2);
+
+            var udi3 = new StringUdi(Constants.UdiEntityType.AnyString, "path to/this is a test.xyz");
+            Assert.AreEqual("umb://" + Constants.UdiEntityType.AnyString + "/path%20to/this%20is%20a%20test.xyz", udi3.ToString());
+        }
+
+        [Test, Ignore]
+        public void StringEncodingTest2()
+        {
+            // reserved = : / ? # [ ] @ ! $ & ' ( ) * + , ; =
+            // unreserved = alpha digit - . _ ~
+
+            Assert.AreEqual("%3A%2F%3F%23%5B%5D%40%21%24%26%27%28%29%2B%2C%3B%3D.-_~%25", Uri.EscapeDataString(":/?#[]@!$&'()+,;=.-_~%"));
+            Assert.AreEqual(":/?#[]@!$&'()+,;=.-_~%25", Uri.EscapeUriString(":/?#[]@!$&'()+,;=.-_~%"));
+
+            // we cannot have reserved chars at random places
+            // we want to keep the / in string udis
+
+            var r = string.Join("/", "path/to/View[1].cshtml".Split('/').Select(Uri.EscapeDataString));
+            Assert.AreEqual("path/to/View%5B1%5D.cshtml", r);
+            Assert.IsTrue(Uri.IsWellFormedUriString("umb://partial-view-macro/" + r, UriKind.Absolute));
+
+            // with the proper fix in StringUdi this should work:
+            var udi1 = new StringUdi("partial-view-macro", "path/to/View[1].cshtml");
+            Assert.AreEqual("umb://partial-view-macro/path/to/View%5B1%5D.cshtml", udi1.ToString());
+            var udi2 = Udi.Parse("umb://partial-view-macro/path/to/View%5B1%5D.cshtml");
+            Assert.AreEqual("path/to/View[1].cshtml", ((StringUdi) udi2).Id);
+        }
+
         [Test]
         public void GuidEntityCtorTest()
         {

src/Umbraco.Tests/Umbraco.Tests.csproj

@@ -97,9 +97,8 @@
     <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5, processorArchitecture=MSIL">
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
     </Reference>
-    <Reference Include="Semver, Version=2.0.4.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Semver.2.0.4\lib\netstandard1.1\Semver.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="Semver, Version=1.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\semver.1.1.2\lib\net45\Semver.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.Composition" />

src/Umbraco.Tests/packages.config

@@ -21,9 +21,10 @@
   <package id="Moq" version="4.1.1309.0919" targetFramework="net45" />
   <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net45" />
   <package id="NUnit" version="2.6.2" targetFramework="net45" />
+  <package id="NUnitTestAdapter" version="2.1.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
   <package id="Selenium.WebDriver" version="2.32.0" targetFramework="net45" />
-  <package id="Semver" version="2.0.4" targetFramework="net45" />
+  <package id="semver" version="1.1.2" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
   <package id="System.Runtime" version="4.3.0" targetFramework="net45" />

src/Umbraco.Web.UI.Client/src/common/directives/components/imaging/umbimagegravity.directive.js

@@ -105,14 +105,14 @@ angular.module("umbraco.directives")
 					});
 
 					//// INIT /////
-					$image.load(function(){
-						$timeout(function(){
-							setDimensions();
-                            scope.loaded = true;
-                            if (scope.onImageLoaded) {
-                                scope.onImageLoaded();    
-                            }
-						});
+					$image.load(function() {
+					    $timeout(function() {
+					        setDimensions();
+					        scope.loaded = true;
+					        if (angular.isFunction(scope.onImageLoaded)) {
+					            scope.onImageLoaded();
+					        }
+					    });
 					});
 
 					$(window).on('resize.umbImageGravity', function(){

src/Umbraco.Web.UI.Client/src/common/directives/components/umbmediagrid.directive.js

@@ -134,25 +134,42 @@ Use this directive to generate a thumbnail grid of media items.
             }
 
             function setItemData(item) {
-                item.isFolder = !mediaHelper.hasFilePropertyType(item);
+
+                // check if item is a folder
+                if(item.image) {
+                    // if is has an image path, it is not a folder
+                    item.isFolder = false;
+                } else {
+                    item.isFolder = !mediaHelper.hasFilePropertyType(item);
+                }
+
                 if (!item.isFolder) {
-                    item.thumbnail = mediaHelper.resolveFile(item, true);
-                    item.image = mediaHelper.resolveFile(item, false);
+                    
+                    // handle entity
+                    if(item.image) {
+                        item.thumbnail = mediaHelper.resolveFileFromEntity(item, true);
+                        item.extension = mediaHelper.getFileExtension(item.image);
+                    // handle full media object
+                    } else {
+                        item.thumbnail = mediaHelper.resolveFile(item, true);
+                        item.image = mediaHelper.resolveFile(item, false);
+                        
+                        var fileProp = _.find(item.properties, function (v) {
+                            return (v.alias === "umbracoFile");
+                        });
 
-                    var fileProp = _.find(item.properties, function (v) {
-                        return (v.alias === "umbracoFile");
-                    });
+                        if (fileProp && fileProp.value) {
+                            item.file = fileProp.value;
+                        }
 
-                    if (fileProp && fileProp.value) {
-                        item.file = fileProp.value;
-                    }
+                        var extensionProp = _.find(item.properties, function (v) {
+                            return (v.alias === "umbracoExtension");
+                        });
 
-                    var extensionProp = _.find(item.properties, function (v) {
-                        return (v.alias === "umbracoExtension");
-                    });
+                        if (extensionProp && extensionProp.value) {
+                            item.extension = extensionProp.value;
+                        }
 
-                    if (extensionProp && extensionProp.value) {
-                        item.extension = extensionProp.value;
                     }
                 }
             }

src/Umbraco.Web.UI.Client/src/common/resources/log.resource.js

@@ -68,7 +68,7 @@ function logResource($q, $http, umbRequestHelper) {
                        "logApiBaseUrl",
                        "GetCurrentUserLog",
                        [{ logtype: type, sinceDate: since }])),
-               'Failed to retrieve user data for id ' + id);
+               'Failed to retrieve log data for current user of type ' + type + ' since ' + since);
         },
 
         /**
@@ -99,7 +99,7 @@ function logResource($q, $http, umbRequestHelper) {
                        "logApiBaseUrl",
                        "GetLog",
                        [{ logtype: type, sinceDate: since }])),
-               'Failed to retrieve user data for id ' + id);
+               'Failed to retrieve log data of type ' + type + ' since ' + since);
         }
     };
 }

src/Umbraco.Web.UI.Client/src/common/resources/ourpackagerrepository.resource.js

@@ -5,15 +5,14 @@
     **/
 function ourPackageRepositoryResource($q, $http, umbDataFormatter, umbRequestHelper) {
 
-    //var baseurl = "http://localhost:24292/webapi/packages/v1";
-    var baseurl = "https://our.umbraco.org/webapi/packages/v1";
+    var baseurl = Umbraco.Sys.ServerVariables.umbracoUrls.packagesRestApiBaseUrl;
 
     return {
         
         getDetails: function (packageId) {
 
             return umbRequestHelper.resourcePromise(
-               $http.get(baseurl + "/" + packageId),
+               $http.get(baseurl + "/" + packageId + "?version=" + Umbraco.Sys.ServerVariables.application.version),
                'Failed to get package details');
         },
 

src/Umbraco.Web.UI.Client/src/common/services/mediahelper.service.js

@@ -365,6 +365,28 @@ function mediaHelper(umbRequestHelper) {
 
            return newFileTypesArray.join(",");
 
+        },
+
+        /**
+         * @ngdoc function
+         * @name umbraco.services.mediaHelper#getFileExtension
+         * @methodOf umbraco.services.mediaHelper
+         * @function
+         *
+         * @description
+         * Returns file extension
+         *
+         * @param {string} filePath File path, ex /media/1234/my-image.jpg
+         */
+        getFileExtension: function(filePath) {
+
+            if (!filePath) {
+                return false;
+            }
+
+            var lowered = filePath.toLowerCase();
+            var ext = lowered.substr(lowered.lastIndexOf(".") + 1);
+            return ext;
         }
         
     };

src/Umbraco.Web.UI.Client/src/common/services/umbrequesthelper.service.js

@@ -103,15 +103,15 @@ function umbRequestHelper($http, $q, umbDataFormatter, angularHelper, dialogServ
          * @description
          * This returns a promise with an underlying http call, it is a helper method to reduce
          *  the amount of duplicate code needed to query http resources and automatically handle any 
-         *  500 Http server errors. 
+         *  Http errors. See /docs/source/using-promises-resources.md
          *
-         * @param {object} opts A mixed object which can either be a `string` representing the error message to be
-         *   returned OR an `object` containing either:
+         * @param {object} opts A mixed object which can either be a string representing the error message to be
+         *   returned OR an object containing either:
          *     { success: successCallback, errorMsg: errorMessage }
          *          OR
          *     { success: successCallback, error: errorCallback }
-         *   In both of the above, the successCallback must accept these parameters: `data`, `status`, `headers`, `config`
-         *   If using the errorCallback it must accept these parameters: `data`, `status`, `headers`, `config`
+         *   In both of the above, the successCallback must accept these parameters: data, status, headers, config
+         *   If using the errorCallback it must accept these parameters: data, status, headers, config
          *   The success callback must return the data which will be resolved by the deferred object.
          *   The error callback must return an object containing: {errorMsg: errorMessage, data: originalData, status: status }
          */

src/Umbraco.Web.UI.Client/src/installer/steps/upgrade.html

@@ -5,7 +5,7 @@
     </p>
 
     <p>
-        To read a report of changes between your current version <strong>{{installer.current.model.currentVersion}}</strong> and this version your upgrading to <strong>{{installer.current.model.newVersion}}</strong>
+        To read a report of changes between your current version <strong>{{installer.current.model.currentVersion}}</strong> and this version you're upgrading to <strong>{{installer.current.model.newVersion}}</strong>
     </p>
     <p>
         <a ng-href="{{installer.current.model.reportUrl}}" target="_blank" class="btn btn-info">View Report</a>

src/Umbraco.Web.UI.Client/src/less/tree.less

@@ -49,7 +49,7 @@
 .umb-tree li.current > div i.icon,
 .umb-tree li.current > div ins {
 	color: @white !important;
-	background: @turquoise-d1;
+	background-color: @turquoise-d1;
 	border-color: @turquoise-d1;
 }
 

src/Umbraco.Web.UI.Client/src/views/common/dialogs/login.html

@@ -50,7 +50,7 @@
 
                         <div class="control-group" ng-class="{error: loginForm.username.$invalid}">
                             <label><localize key="general_username">Username</localize></label>
-                            <input type="text" ng-model="login" name="username" class="-full-width-input" localize="placeholder" placeholder="@placeholders_username" />
+                            <input type="text" ng-model="login" name="username" class="-full-width-input" localize="placeholder" placeholder="@placeholders_usernameHint" />
                         </div>
 
                         <div class="control-group" ng-class="{error: loginForm.password.$invalid}">

src/Umbraco.Web.UI.Client/src/views/common/overlays/linkpicker/linkpicker.html

@@ -6,7 +6,8 @@
             placeholder="@general_url"
             class="umb-editor umb-textstring"
             ng-model="model.target.url"
-            ng-disabled="model.target.id"/>
+            ng-disabled="model.target.id"
+            focus-when="{{true}} "/>
     </umb-control-group>
 
     <umb-control-group label="@content_nodeName">

src/Umbraco.Web.UI.Client/src/views/common/overlays/mediaPicker/mediapicker.controller.js

@@ -16,14 +16,22 @@ angular.module("umbraco")
             $scope.startNodeId = dialogOptions.startNodeId ? dialogOptions.startNodeId : -1;
             $scope.cropSize = dialogOptions.cropSize;
             $scope.lastOpenedNode = localStorageService.get("umbLastOpenedMediaNodeId");
+
+            var umbracoSettings = Umbraco.Sys.ServerVariables.umbracoSettings;
+            var allowedUploadFiles = mediaHelper.formatFileTypes(umbracoSettings.allowedUploadFiles);
             if ($scope.onlyImages) {
-                $scope.acceptedFileTypes = mediaHelper
-                    .formatFileTypes(Umbraco.Sys.ServerVariables.umbracoSettings.imageFileTypes);
+                $scope.acceptedFileTypes = mediaHelper.formatFileTypes(umbracoSettings.imageFileTypes);
             } else {
-                $scope.acceptedFileTypes = !mediaHelper
-                    .formatFileTypes(Umbraco.Sys.ServerVariables.umbracoSettings.disallowedUploadFiles);
+                // Use whitelist of allowed file types if provided
+                if (allowedUploadFiles !== '') {
+                    $scope.acceptedFileTypes = allowedUploadFiles;
+                } else {
+                    // If no whitelist, we pass in a blacklist by adding ! to the file extensions, allowing everything EXCEPT for disallowedUploadFiles
+                    $scope.acceptedFileTypes = !mediaHelper.formatFileTypes(umbracoSettings.disallowedUploadFiles);
+                }
             }
-            $scope.maxFileSize = Umbraco.Sys.ServerVariables.umbracoSettings.maxFileSize + "KB";
+
+            $scope.maxFileSize = umbracoSettings.maxFileSize + "KB";
 
             $scope.model.selectedImages = [];
 
@@ -131,8 +139,16 @@ angular.module("umbraco")
                 } else {
                     eventsService.emit("dialogs.mediaPicker.select", image);
                     if ($scope.showDetails) {
+
                         $scope.target = image;
-                        $scope.target.url = mediaHelper.resolveFile(image);
+
+                        // handle both entity and full media object
+                        if(image.image) {
+                            $scope.target.url = image.image;
+                        } else {
+                            $scope.target.url = mediaHelper.resolveFile(image);
+                        }
+
                         $scope.openDetailsDialog();
                     } else {
                         selectImage(image);

src/Umbraco.Web.UI.Client/src/views/common/overlays/querybuilder/querybuilder.controller.js

@@ -1,14 +1,13 @@
-(function () {
+(function() {
     "use strict";
 
     function QueryBuilderOverlayController($scope, templateQueryResource, localizationService) {
 
-        var everything = localizationService.localize("template_allContent");
-        var myWebsite = localizationService.localize("template_websiteRoot");
+        var everything = "";
+        var myWebsite = "";
+        var ascendingTranslation = "";
+        var descendingTranslation = "";
 
-        var ascendingTranslation = localizationService.localize("template_ascending");
-        var descendingTranslation = localizationService.localize("template_descending");
-    
         var vm = this;
 
         vm.properties = [];
@@ -21,34 +20,6 @@
             format: "YYYY-MM-DD"
         };
 
-        vm.query = {
-            contentType: {
-                name: everything
-            },
-            source: {
-                name: myWebsite
-            },
-            filters: [
-                {
-                    property: undefined,
-                    operator: undefined
-                }
-            ],
-            sort: {
-                property: {
-                    alias: "",
-                    name: "",
-                },
-                direction: "ascending", //This is the value for sorting sent to server
-                translation: {
-                    currentLabel: ascendingTranslation, //This is the localized UI value in the the dialog
-                    ascending: ascendingTranslation,
-                    descending: descendingTranslation
-                }
-
-            }
-        };
-
         vm.chooseSource = chooseSource;
         vm.getPropertyOperators = getPropertyOperators;
         vm.addFilter = addFilter;
@@ -63,21 +34,48 @@
 
         function onInit() {
 
+            vm.query = {
+                contentType: {
+                    name: everything
+                },
+                source: {
+                    name: myWebsite
+                },
+                filters: [
+                    {
+                        property: undefined,
+                        operator: undefined
+                    }
+                ],
+                sort: {
+                    property: {
+                        alias: "",
+                        name: "",
+                    },
+                    direction: "ascending", //This is the value for sorting sent to server
+                    translation: {
+                        currentLabel: ascendingTranslation, //This is the localized UI value in the the dialog
+                        ascending: ascendingTranslation,
+                        descending: descendingTranslation
+                    }
+                }
+            };
+
             templateQueryResource.getAllowedProperties()
-                .then(function (properties) {
+                .then(function(properties) {
                     vm.properties = properties;
                 });
 
             templateQueryResource.getContentTypes()
-                .then(function (contentTypes) {
+                .then(function(contentTypes) {
                     vm.contentTypes = contentTypes;
                 });
 
             templateQueryResource.getFilterConditions()
-                .then(function (conditions) {
+                .then(function(conditions) {
                     vm.conditions = conditions;
                 });
-                
+
             throttledFunc();
 
         }
@@ -111,10 +109,11 @@
         }
 
         function getPropertyOperators(property) {
-            var conditions = _.filter(vm.conditions, function (condition) {
-                var index = condition.appliesTo.indexOf(property.type);
-                return index >= 0;
-            });
+            var conditions = _.filter(vm.conditions,
+                function(condition) {
+                    var index = condition.appliesTo.indexOf(property.type);
+                    return index >= 0;
+                });
             return conditions;
         }
 
@@ -123,10 +122,8 @@
         }
 
         function trashFilter(query, filter) {
-            for (var i = 0; i < query.filters.length; i++)
-            {
-                if (query.filters[i] == filter)
-                {
+            for (var i = 0; i < query.filters.length; i++) {
+                if (query.filters[i] == filter) {
                     query.filters.splice(i, 1);
                 }
             }
@@ -173,7 +170,7 @@
 
         function setFilterTerm(filter, term) {
             filter.term = term;
-            if(filter.constraintValue) {
+            if (filter.constraintValue) {
                 throttledFunc();
             }
         }
@@ -183,22 +180,32 @@
         }
 
         function datePickerChange(event, filter) {
-            if(event.date && event.date.isValid()) {
+            if (event.date && event.date.isValid()) {
                 filter.constraintValue = event.date.format(vm.datePickerConfig.format);
                 throttledFunc();
             }
         }
 
-        var throttledFunc = _.throttle(function () {
-            
-            templateQueryResource.postTemplateQuery(vm.query)
-                .then(function (response) {
-                    $scope.model.result = response;
-                });
+        var throttledFunc = _.throttle(function() {
 
-        }, 200);
+                templateQueryResource.postTemplateQuery(vm.query)
+                    .then(function(response) {
+                        $scope.model.result = response;
+                    });
 
-        onInit();
+            },
+            200);
+
+        localizationService.localizeMany([
+                "template_allContent", "template_websiteRoot", "template_ascending", "template_descending"
+            ])
+            .then(function(res) {
+                everything = res[0];
+                myWebsite = res[1];
+                ascendingTranslation = res[2];
+                descendingTranslation = res[3];
+                onInit();
+            });
     }
 
     angular.module("umbraco").controller("Umbraco.Overlays.QueryBuilderController", QueryBuilderOverlayController);

src/Umbraco.Web.UI.Client/src/views/components/umb-media-grid.html

@@ -1,5 +1,5 @@
 <div class="umb-media-grid">
-    <div class="umb-media-grid__item" ng-click="clickItem(item, $event, $index)" ng-repeat="item in items | filter:filterBy" ng-style="item.flexStyle" ng-class="{'-selected': item.selected, '-file': !item.thumbnail, '-svg': item.extension == 'svg'}">
+    <div class="umb-media-grid__item" title="{{item.name}}" ng-click="clickItem(item, $event, $index)" ng-repeat="item in items | filter:filterBy" ng-style="item.flexStyle" ng-class="{'-selected': item.selected, '-file': !item.thumbnail, '-svg': item.extension == 'svg'}">
         <div>
             <i ng-show="item.selected" class="icon-check umb-media-grid__checkmark"></i>
 
@@ -12,10 +12,10 @@
             <div class="umb-media-grid__image-background" ng-if="item.thumbnail || item.extension == 'svg'"></div>
 
             <!-- Image thumbnail -->
-            <img class="umb-media-grid__item-image" width="{{item.width}}" height="{{item.height}}" ng-if="item.thumbnail" ng-src="{{item.thumbnail}}" alt="{{item.name}}" title="{{item.name}}" draggable="false" />
+            <img class="umb-media-grid__item-image" width="{{item.width}}" height="{{item.height}}" ng-if="item.thumbnail" ng-src="{{item.thumbnail}}" alt="{{item.name}}" draggable="false" />
 
             <!-- SVG -->
-            <img class="umb-media-grid__item-image" width="{{item.width}}" height="{{item.height}}" ng-if="!item.thumbnail && item.extension == 'svg'" ng-src="{{item.file}}" alt="{{item.name}}" title="{{item.name}}" draggable="false" />
+            <img class="umb-media-grid__item-image" width="{{item.width}}" height="{{item.height}}" ng-if="!item.thumbnail && item.extension == 'svg'" ng-src="{{item.image}}" alt="{{item.name}}" draggable="false" />
 
             <!-- Transparent image - fallback - used to keep image proportions on wrapper-->
             <img class="umb-media-grid__item-image-placeholder" ng-if="!item.thumbnail && item.extension != 'svg'" src="assets/img/transparent.png" alt="{{item.name}}" draggable="false" />

src/Umbraco.Web.UI.Client/src/views/propertyeditors/fileupload/fileupload.controller.js

@@ -138,15 +138,15 @@ function fileUploadController($scope, $element, $compile, imageHelper, fileManag
         //cannot just check for !newVal because it might be an empty string which we
         //want to look for.
         if (newVal !== null && newVal !== undefined && newVal !== oldVal) {
-            //now we need to check if we need to re-initialize our structure which is kind of tricky
-            // since we only want to do that if the server has changed the value, not if this controller
-            // has changed the value. There's only 2 scenarios where we change the value internall so
-            // we know what those values can be, if they are not either of them, then we'll re-initialize.
-
-            if (newVal.clearFiles !== true && newVal !== $scope.originalValue && !newVal.selectedFiles) {
+            // here we need to check if the value change needs to trigger an update in the UI.
+            // if the value is only changed in the controller and not in the server values, we do not
+            // want to trigger an update yet.
+            // we can however no longer rely on checking values in the controller vs. values from the server
+            // to determine whether to update or not, since you could potentially be uploading a file with
+            // the exact same name - in that case we need to reinitialize to show the newly uploaded file.
+            if (newVal.clearFiles !== true && !newVal.selectedFiles) {
                 initialize($scope.rebuildInput.index + 1);
             }
-
         }
     });
 };

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/editors/media.controller.js

@@ -1,10 +1,17 @@
 angular.module("umbraco")
     .controller("Umbraco.PropertyEditors.Grid.MediaController",
-    function ($scope, $rootScope, $timeout) {
+    function ($scope, $rootScope, $timeout, userService) {
+
+        if (!$scope.model.config.startNodeId) {
+            userService.getCurrentUser().then(function (userData) {
+                $scope.model.config.startNodeId = userData.startMediaId;
+            });
+        }
 
         $scope.setImage = function(){
             $scope.mediaPickerOverlay = {};
             $scope.mediaPickerOverlay.view = "mediapicker";
+            $scope.mediaPickerOverlay.startNodeId = $scope.model.config && $scope.model.config.startNodeId ? $scope.model.config.startNodeId : undefined;
             $scope.mediaPickerOverlay.cropSize = $scope.control.editor.config && $scope.control.editor.config.size ? $scope.control.editor.config.size : undefined;
             $scope.mediaPickerOverlay.showDetails = true;
             $scope.mediaPickerOverlay.disableFolderSelect = true;