Bump version to alpha-73 after downgrade to .NET 4.5

deploy-257 Downgrade Core and Deploy to framework 4.5

build/NuSpecs/UmbracoCms.Core.nuspec

@@ -24,7 +24,7 @@
       <dependency id="Microsoft.Owin.Security.OAuth" version="[3.0.1, 4.0.0)" />
       <dependency id="Microsoft.Owin.Host.SystemWeb" version="[3.0.1, 4.0.0)" />
       <dependency id="MiniProfiler" version="[2.1.0, 3.0.0)" />
-      <dependency id="HtmlAgilityPack" version="[1.4.9, 2.0.0)" />
+      <dependency id="HtmlAgilityPack" version="[1.4.9.5, 2.0.0)" />
       <dependency id="Lucene.Net" version="[2.9.4.1, 3.0.0.0)" />
       <dependency id="SharpZipLib" version="[0.86.0, 1.0.0)" />
       <dependency id="MySql.Data" version="[6.9.8, 7.0.0)" />
@@ -36,7 +36,7 @@
       <dependency id="Examine" version="[0.1.81, 1.0.0)" />
       <dependency id="ImageProcessor" version="[2.5.2, 3.0.0)" />
       <dependency id="ImageProcessor.Web" version="[4.8.2, 5.0.0)" />
-      <dependency id="semver" version="[2.0.4, 3.0.0)" />
+      <dependency id="semver" version="[1.1.2, 2.0.0)" />
       <dependency id="UrlRewritingNet" version="[2.0.7, 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)" />	  

build/UmbracoVersion.txt

@@ -1,3 +1,3 @@
 # Usage: on line 2 put the release version, on line 3 put the version comment (example: beta)
 7.6.0
-alpha072
+alpha073

src/SQLCE4Umbraco/SqlCE4Umbraco.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>SQLCE4Umbraco</RootNamespace>
     <AssemblyName>SQLCE4Umbraco</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SccProjectName>
     </SccProjectName>
@@ -49,9 +49,11 @@
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />

src/SQLCE4Umbraco/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/SolutionInfo.cs

@@ -12,4 +12,4 @@ using System.Resources;
 [assembly: AssemblyVersion("1.0.*")]
 
 [assembly: AssemblyFileVersion("7.6.0")]
-[assembly: AssemblyInformationalVersion("7.6.0-alpha072")]
+[assembly: AssemblyInformationalVersion("7.6.0-alpha073")]

src/Umbraco.Core/Configuration/CoreDebug.cs

@@ -0,0 +1,27 @@
+using System;
+
+namespace Umbraco.Core.Configuration
+{
+    internal static class CoreDebugExtensions
+    {
+        private static CoreDebug _coreDebug;
+
+        public static CoreDebug CoreDebug(this UmbracoConfig config)
+        {
+            return _coreDebug ?? (_coreDebug = new CoreDebug());
+        }
+    }
+
+    internal class CoreDebug
+    {
+        public CoreDebug()
+        {
+            var appSettings = System.Configuration.ConfigurationManager.AppSettings;
+            LogUncompletedScopes = string.Equals("true", appSettings["Umbraco.CoreDebug.LogUncompletedScopes"], StringComparison.OrdinalIgnoreCase);
+        }
+
+        // when true, Scope logs the stack trace for any scope that gets disposed without being completed.
+        // this helps troubleshooting rogue scopes that we forget to complete
+        public bool LogUncompletedScopes { get; private set; }
+    }
+}

src/Umbraco.Core/Configuration/UmbracoVersion.cs

@@ -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 "alpha072"; } }
+        public static string CurrentComment { get { return "alpha073"; } }
 
         // 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/IO/FileSystemProviderManager.cs

@@ -12,25 +12,18 @@ namespace Umbraco.Core.IO
     public class FileSystemProviderManager
     {
         private readonly FileSystemProvidersSection _config;
-        private readonly WeakSet<ShadowWrapper> _wrappers = new WeakSet<ShadowWrapper>();
+        private readonly ConcurrentSet<ShadowWrapper> _wrappers = new ConcurrentSet<ShadowWrapper>();
 
-        // actual well-known filesystems returned by properties
-        private readonly IFileSystem2 _macroPartialFileSystem;
-        private readonly IFileSystem2 _partialViewsFileSystem;
-        private readonly IFileSystem2 _stylesheetsFileSystem;
-        private readonly IFileSystem2 _scriptsFileSystem;
-        private readonly IFileSystem2 _xsltFileSystem;
-        private readonly IFileSystem2 _masterPagesFileSystem;
-        private readonly IFileSystem2 _mvcViewsFileSystem;
+        private readonly ConcurrentDictionary<string, ProviderConstructionInfo> _providerLookup = new ConcurrentDictionary<string, ProviderConstructionInfo>();
+        private readonly ConcurrentDictionary<string, IFileSystem2> _filesystems = new ConcurrentDictionary<string, IFileSystem2>();
 
-        // when shadowing is enabled, above filesystems, as wrappers
-        private readonly ShadowWrapper _macroPartialFileSystemWrapper;
-        private readonly ShadowWrapper _partialViewsFileSystemWrapper;
-        private readonly ShadowWrapper _stylesheetsFileSystemWrapper;
-        private readonly ShadowWrapper _scriptsFileSystemWrapper;
-        private readonly ShadowWrapper _xsltFileSystemWrapper;
-        private readonly ShadowWrapper _masterPagesFileSystemWrapper;
-        private readonly ShadowWrapper _mvcViewsFileSystemWrapper;
+        private ShadowWrapper _macroPartialFileSystem;
+        private ShadowWrapper _partialViewsFileSystem;
+        private ShadowWrapper _stylesheetsFileSystem;
+        private ShadowWrapper _scriptsFileSystem;
+        private ShadowWrapper _xsltFileSystem;
+        private ShadowWrapper _masterPagesFileSystem;
+        private ShadowWrapper _mvcViewsFileSystem;
 
         #region Singleton & Constructor
 
@@ -41,31 +34,45 @@ namespace Umbraco.Core.IO
             get { return Instance; }
         }
 
+        // for tests only, totally unsafe
+        internal void Reset()
+        {
+            _wrappers.Clear();
+            _providerLookup.Clear();
+            _filesystems.Clear();
+            CreateWellKnownFileSystems();
+        }
+
         private IScopeProviderInternal ScopeProvider
         {
             // fixme - 'course this is bad, but enough for now
+            // beware: means that we capture the "current" scope provider - take care in tests!
             get { return ApplicationContext.Current == null ? null : ApplicationContext.Current.ScopeProvider as IScopeProviderInternal; }
         }
 
         internal FileSystemProviderManager()
         {
             _config = (FileSystemProvidersSection) ConfigurationManager.GetSection("umbracoConfiguration/FileSystemProviders");
+            CreateWellKnownFileSystems();
+        }
 
-            _macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
-            _partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
-            _stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
-            _scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
-            _xsltFileSystem = new PhysicalFileSystem(SystemDirectories.Xslt);
-            _masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
-            _mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
+        private void CreateWellKnownFileSystems()
+        {
+            var macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
+            var partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
+            var stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
+            var scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
+            var xsltFileSystem = new PhysicalFileSystem(SystemDirectories.Xslt);
+            var masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
+            var mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
 
-            _macroPartialFileSystem = _macroPartialFileSystemWrapper = new ShadowWrapper(_macroPartialFileSystem, "Views/MacroPartials", ScopeProvider);
-            _partialViewsFileSystem = _partialViewsFileSystemWrapper = new ShadowWrapper(_partialViewsFileSystem, "Views/Partials", ScopeProvider);
-            _stylesheetsFileSystem = _stylesheetsFileSystemWrapper = new ShadowWrapper(_stylesheetsFileSystem, "css", ScopeProvider);
-            _scriptsFileSystem = _scriptsFileSystemWrapper = new ShadowWrapper(_scriptsFileSystem, "scripts", ScopeProvider);
-            _xsltFileSystem = _xsltFileSystemWrapper = new ShadowWrapper(_xsltFileSystem, "xslt", ScopeProvider);
-            _masterPagesFileSystem = _masterPagesFileSystemWrapper = new ShadowWrapper(_masterPagesFileSystem, "masterpages", ScopeProvider);
-            _mvcViewsFileSystem = _mvcViewsFileSystemWrapper = new ShadowWrapper(_mvcViewsFileSystem, "Views", ScopeProvider);
+            _macroPartialFileSystem = new ShadowWrapper(macroPartialFileSystem, "Views/MacroPartials", ScopeProvider);
+            _partialViewsFileSystem = new ShadowWrapper(partialViewsFileSystem, "Views/Partials", ScopeProvider);
+            _stylesheetsFileSystem = new ShadowWrapper(stylesheetsFileSystem, "css", ScopeProvider);
+            _scriptsFileSystem = new ShadowWrapper(scriptsFileSystem, "scripts", ScopeProvider);
+            _xsltFileSystem = new ShadowWrapper(xsltFileSystem, "xslt", ScopeProvider);
+            _masterPagesFileSystem = new ShadowWrapper(masterPagesFileSystem, "masterpages", ScopeProvider);
+            _mvcViewsFileSystem = new ShadowWrapper(mvcViewsFileSystem, "Views", ScopeProvider);
 
             // filesystems obtained from GetFileSystemProvider are already wrapped and do not need to be wrapped again
             MediaFileSystem = GetFileSystemProvider<MediaFileSystem>();
@@ -80,7 +87,7 @@ namespace Umbraco.Core.IO
         public IFileSystem2 StylesheetsFileSystem { get { return _stylesheetsFileSystem; } }
         public IFileSystem2 ScriptsFileSystem { get { return _scriptsFileSystem; } }
         public IFileSystem2 XsltFileSystem { get { return _xsltFileSystem; } }
-        public IFileSystem2 MasterPagesFileSystem { get { return _masterPagesFileSystem; } }
+        public IFileSystem2 MasterPagesFileSystem { get { return _mvcViewsFileSystem; } }
         public IFileSystem2 MvcViewsFileSystem { get { return _mvcViewsFileSystem; } }
         public MediaFileSystem MediaFileSystem { get; private set; }
 
@@ -98,56 +105,74 @@ namespace Umbraco.Core.IO
 			//public string ProviderAlias { get; set; }
 		}
 
-		private readonly ConcurrentDictionary<string, ProviderConstructionInfo> _providerLookup = new ConcurrentDictionary<string, ProviderConstructionInfo>();
-		private readonly ConcurrentDictionary<Type, string> _aliases = new ConcurrentDictionary<Type, string>();
-
         /// <summary>
         /// Gets an underlying (non-typed) filesystem supporting a strongly-typed filesystem.
         /// </summary>
         /// <param name="alias">The alias of the strongly-typed filesystem.</param>
         /// <returns>The non-typed filesystem supporting the strongly-typed filesystem with the specified alias.</returns>
-        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}"/> instead.</remarks>
+        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}()"/> instead.</remarks>
         public IFileSystem GetUnderlyingFileSystemProvider(string alias)
+        {
+            return GetUnderlyingFileSystemProvider(alias, null);
+        }
+
+        /// <summary>
+        /// Gets an underlying (non-typed) filesystem supporting a strongly-typed filesystem.
+        /// </summary>
+        /// <param name="alias">The alias of the strongly-typed filesystem.</param>
+        /// /// <param name="fallback">A fallback creator for the filesystem.</param>
+        /// <returns>The non-typed filesystem supporting the strongly-typed filesystem with the specified alias.</returns>
+        /// <remarks>This method should not be used directly, used <see cref="GetFileSystemProvider{TFileSystem}()"/> instead.</remarks>
+        private IFileSystem GetUnderlyingFileSystemProvider(string alias, Func<IFileSystem> fallback)
         {
 			// either get the constructor info from cache or create it and add to cache
-	        var ctorInfo = _providerLookup.GetOrAdd(alias, s =>
-		        {
-                    // get config
-			        var providerConfig = _config.Providers[s];
-			        if (providerConfig == null)
-				        throw new ArgumentException(string.Format("No provider found with alias {0}.", s));
+            var ctorInfo = _providerLookup.GetOrAdd(alias, _ => GetUnderlyingFileSystemCtor(alias, fallback));
+            return ctorInfo == null ? fallback() : (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+        }
 
-                    // get the filesystem type
-			        var providerType = Type.GetType(providerConfig.Type);
-			        if (providerType == null)
-				        throw new InvalidOperationException(string.Format("Could not find type {0}.", providerConfig.Type));
+        private IFileSystem GetUnderlyingFileSystemNoCache(string alias, Func<IFileSystem> fallback)
+        {
+            var ctorInfo = GetUnderlyingFileSystemCtor(alias, fallback);
+            return ctorInfo == null ? fallback() : (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+        }
 
-                    // ensure it implements IFileSystem
-			        if (providerType.IsAssignableFrom(typeof (IFileSystem)))
-				        throw new InvalidOperationException(string.Format("Type {0} does not implement IFileSystem.", providerType.FullName));
+        private ProviderConstructionInfo GetUnderlyingFileSystemCtor(string alias, Func<IFileSystem> fallback)
+        {
+            // get config
+            var providerConfig = _config.Providers[alias];
+            if (providerConfig == null)
+            {
+                if (fallback != null) return null;
+                throw new ArgumentException(string.Format("No provider found with alias {0}.", alias));
+            }
 
-                    // find a ctor matching the config parameters
-			        var paramCount = providerConfig.Parameters != null ? providerConfig.Parameters.Count : 0;
-			        var constructor = providerType.GetConstructors().SingleOrDefault(x
-                        => x.GetParameters().Length == paramCount && x.GetParameters().All(y => providerConfig.Parameters.AllKeys.Contains(y.Name)));
-			        if (constructor == null)
-				        throw new InvalidOperationException(string.Format("Type {0} has no ctor matching the {1} configuration parameter(s).", providerType.FullName, paramCount));
+            // get the filesystem type
+            var providerType = Type.GetType(providerConfig.Type);
+            if (providerType == null)
+                throw new InvalidOperationException(string.Format("Could not find type {0}.", providerConfig.Type));
 
-			        var parameters = new object[paramCount];
-                    if (providerConfig.Parameters != null) // keeps ReSharper happy
-			            for (var i = 0; i < paramCount; i++)
-				            parameters[i] = providerConfig.Parameters[providerConfig.Parameters.AllKeys[i]].Value;
+            // ensure it implements IFileSystem
+            if (providerType.IsAssignableFrom(typeof(IFileSystem)))
+                throw new InvalidOperationException(string.Format("Type {0} does not implement IFileSystem.", providerType.FullName));
 
-			        return new ProviderConstructionInfo
-				        {
-					        Constructor = constructor,
-					        Parameters = parameters,
-					        //ProviderAlias = s
-				        };
-		        });
+            // find a ctor matching the config parameters
+            var paramCount = providerConfig.Parameters != null ? providerConfig.Parameters.Count : 0;
+            var constructor = providerType.GetConstructors().SingleOrDefault(x
+                => x.GetParameters().Length == paramCount && x.GetParameters().All(y => providerConfig.Parameters.AllKeys.Contains(y.Name)));
+            if (constructor == null)
+                throw new InvalidOperationException(string.Format("Type {0} has no ctor matching the {1} configuration parameter(s).", providerType.FullName, paramCount));
 
-            // create the fs and return
-			return (IFileSystem) ctorInfo.Constructor.Invoke(ctorInfo.Parameters);
+            var parameters = new object[paramCount];
+            if (providerConfig.Parameters != null) // keeps ReSharper happy
+                for (var i = 0; i < paramCount; i++)
+                    parameters[i] = providerConfig.Parameters[providerConfig.Parameters.AllKeys[i]].Value;
+
+            return new ProviderConstructionInfo
+            {
+                Constructor = constructor,
+                Parameters = parameters,
+                //ProviderAlias = s
+            };
         }
 
         /// <summary>
@@ -155,38 +180,68 @@ namespace Umbraco.Core.IO
         /// </summary>
         /// <typeparam name="TFileSystem">The type of the filesystem.</typeparam>
         /// <returns>A strongly-typed filesystem of the specified type.</returns>
+        /// <remarks>
+        /// <para>Ideally, this should cache the instances, but that would break backward compatibility, so we
+        /// only do it for our own MediaFileSystem - for everything else, it's the responsibility of the caller
+        /// to ensure that they maintain singletons. This is important for singletons, as each filesystem maintains
+        /// its own shadow and having multiple instances would lead to inconsistencies.</para>
+        /// <para>Note that any filesystem created by this method *after* shadowing begins, will *not* be
+        /// shadowing (and an exception will be thrown by the ShadowWrapper).</para>
+        /// </remarks>
         public TFileSystem GetFileSystemProvider<TFileSystem>()
-			where TFileSystem : FileSystemWrapper
+            where TFileSystem : FileSystemWrapper
         {
-            // deal with known types - avoid infinite loops!
-            if (typeof(TFileSystem) == typeof(MediaFileSystem) && MediaFileSystem != null)
-                return MediaFileSystem as TFileSystem; // else create and return
+            return GetFileSystemProvider<TFileSystem>(null);
+        }
 
-			// get/cache the alias for the filesystem type
-	        var alias = _aliases.GetOrAdd(typeof (TFileSystem), fsType =>
-		        {
-					// validate the ctor
-					var constructor = fsType.GetConstructors().SingleOrDefault(x
-                        => x.GetParameters().Length == 1 && TypeHelper.IsTypeAssignableFrom<IFileSystem>(x.GetParameters().Single().ParameterType));
-					if (constructor == null)
-						throw new InvalidOperationException("Type " + fsType.FullName + " must inherit from FileSystemWrapper and have a constructor that accepts one parameter of type " + typeof(IFileSystem).FullName + ".");
+        /// <summary>
+        /// Gets a strongly-typed filesystem.
+        /// </summary>
+        /// <typeparam name="TFileSystem">The type of the filesystem.</typeparam>
+        /// <param name="fallback">A fallback creator for the inner filesystem.</param>
+        /// <returns>A strongly-typed filesystem of the specified type.</returns>
+        /// <remarks>
+        /// <para>The fallback creator is used only if nothing is configured.</para>
+        /// <para>Ideally, this should cache the instances, but that would break backward compatibility, so we
+        /// only do it for our own MediaFileSystem - for everything else, it's the responsibility of the caller
+        /// to ensure that they maintain singletons. This is important for singletons, as each filesystem maintains
+        /// its own shadow and having multiple instances would lead to inconsistencies.</para>
+        /// <para>Note that any filesystem created by this method *after* shadowing begins, will *not* be
+        /// shadowing (and an exception will be thrown by the ShadowWrapper).</para>
+        /// </remarks>
+        public TFileSystem GetFileSystemProvider<TFileSystem>(Func<IFileSystem> fallback)
+            where TFileSystem : FileSystemWrapper
+        {
+            var alias = GetFileSystemAlias<TFileSystem>();
+            return (TFileSystem) _filesystems.GetOrAdd(alias, _ =>
+            {
+                // gets the inner fs, create the strongly-typed fs wrapping the inner fs, register & return
+                // so we are double-wrapping here
+                // could be optimized by having FileSystemWrapper inherit from ShadowWrapper, maybe
+                var innerFs = GetUnderlyingFileSystemNoCache(alias, fallback);
+                var shadowWrapper = new ShadowWrapper(innerFs, "typed/" + alias, ScopeProvider);
+                var fs = (IFileSystem2) Activator.CreateInstance(typeof (TFileSystem), shadowWrapper);
+                _wrappers.Add(shadowWrapper); // keeping a reference to the wrapper
+                return fs;
+            });
+        }
 
-                    // find the attribute and get the alias
-					var attr = (FileSystemProviderAttribute) fsType.GetCustomAttributes(typeof(FileSystemProviderAttribute), false).SingleOrDefault();
-					if (attr == null)
-						throw new InvalidOperationException("Type " + fsType.FullName + "is missing the required FileSystemProviderAttribute.");
+        private string GetFileSystemAlias<TFileSystem>()
+        {
+            var fsType = typeof(TFileSystem);
 
-			        return attr.Alias;
-		        });
+            // validate the ctor
+            var constructor = fsType.GetConstructors().SingleOrDefault(x
+                => x.GetParameters().Length == 1 && TypeHelper.IsTypeAssignableFrom<IFileSystem>(x.GetParameters().Single().ParameterType));
+            if (constructor == null)
+                throw new InvalidOperationException("Type " + fsType.FullName + " must inherit from FileSystemWrapper and have a constructor that accepts one parameter of type " + typeof(IFileSystem).FullName + ".");
 
-            // gets the inner fs, create the strongly-typed fs wrapping the inner fs, register & return
-            // so we are double-wrapping here
-            // could be optimized by having FileSystemWrapper inherit from ShadowWrapper, maybe
-            var innerFs = GetUnderlyingFileSystemProvider(alias);
-            var shadowWrapper = new ShadowWrapper(innerFs, "typed/" + alias, ScopeProvider);
-	        var fs = (TFileSystem) Activator.CreateInstance(typeof (TFileSystem), shadowWrapper);
-            _wrappers.Add(shadowWrapper); // keeping a weak reference to the wrapper
-	        return fs;
+            // find the attribute and get the alias
+            var attr = (FileSystemProviderAttribute)fsType.GetCustomAttributes(typeof(FileSystemProviderAttribute), false).SingleOrDefault();
+            if (attr == null)
+                throw new InvalidOperationException("Type " + fsType.FullName + "is missing the required FileSystemProviderAttribute.");
+
+            return attr.Alias;
         }
 
         #endregion
@@ -199,30 +254,37 @@ namespace Umbraco.Core.IO
             var wrappers = new ShadowWrapper[typed.Length + 7];
             var i = 0;
             while (i < typed.Length) wrappers[i] = typed[i++];
-            wrappers[i++] = _macroPartialFileSystemWrapper;
-            wrappers[i++] = _partialViewsFileSystemWrapper;
-            wrappers[i++] = _stylesheetsFileSystemWrapper;
-            wrappers[i++] = _scriptsFileSystemWrapper;
-            wrappers[i++] = _xsltFileSystemWrapper;
-            wrappers[i++] = _masterPagesFileSystemWrapper;
-            wrappers[i] = _mvcViewsFileSystemWrapper;
+            wrappers[i++] = _macroPartialFileSystem;
+            wrappers[i++] = _partialViewsFileSystem;
+            wrappers[i++] = _stylesheetsFileSystem;
+            wrappers[i++] = _scriptsFileSystem;
+            wrappers[i++] = _xsltFileSystem;
+            wrappers[i++] = _masterPagesFileSystem;
+            wrappers[i] = _mvcViewsFileSystem;
 
             return new ShadowFileSystems(id, wrappers);
         }
 
         #endregion
 
-        private class WeakSet<T>
+        private class ConcurrentSet<T>
             where T : class
         {
-            private readonly HashSet<WeakReference<T>> _set = new HashSet<WeakReference<T>>();
+            private readonly HashSet<T> _set = new HashSet<T>();
 
             public void Add(T item)
             {
                 lock (_set)
                 {
-                    _set.Add(new WeakReference<T>(item));
-                    CollectLocked();
+                    _set.Add(item);
+                }
+            }
+
+            public void Clear()
+            {
+                lock (_set)
+                {
+                    _set.Clear();
                 }
             }
 
@@ -230,23 +292,9 @@ namespace Umbraco.Core.IO
             {
                 lock (_set)
                 {
-                    CollectLocked();
-                    return _set.Select(x =>
-                    {
-                        T target;
-                        return x.TryGetTarget(out target) ? target : null;
-                    }).WhereNotNull().ToArray();
+                    return _set.ToArray();
                 }
             }
-
-            private void CollectLocked()
-            {
-                _set.RemoveWhere(x =>
-                {
-                    T target;
-                    return x.TryGetTarget(out target) == false;
-                });
-            }
         }
     }
 }

src/Umbraco.Core/IO/ShadowWrapper.cs

@@ -69,6 +69,11 @@ namespace Umbraco.Core.IO
             {
                 var isScoped = _scopeProvider != null && _scopeProvider.AmbientScope != null && _scopeProvider.AmbientScope.ScopedFileSystems;
 
+                // if the filesystem is created *after* shadowing starts, it won't be shadowing
+                // better not ignore that situation and raised a meaningful (?) exception
+                if (isScoped && _shadowFileSystem == null)
+                    throw new Exception("The filesystems are shadowing, but this filesystem is not.");
+
                 return isScoped
                     ? _shadowFileSystem
                     : _innerFileSystem;

src/Umbraco.Core/Scoping/Scope.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Data;
 using Umbraco.Core.Cache;
+using Umbraco.Core.Configuration;
 using Umbraco.Core.Events;
 using Umbraco.Core.IO;
 using Umbraco.Core.Persistence;
@@ -341,7 +342,11 @@ namespace Umbraco.Core.Scoping
         {
             // if child did not complete we cannot complete
             if (completed.HasValue == false || completed.Value == false)
+            {
+                if (LogUncompletedScopes)
+                    Logging.LogHelper.Debug<Scope>("Uncompleted Child Scope at\r\n" + Environment.StackTrace);
                 _completed = false;
+            }
         }
 
         private void EnsureNotDisposed()
@@ -493,5 +498,15 @@ namespace Umbraco.Core.Scoping
                 TryFinally(index + 1, actions);
             }
         }
+
+        // backing field for LogUncompletedScopes
+        private static bool? _logUncompletedScopes;
+
+        // caching config
+        // true if Umbraco.CoreDebug.LogUncompletedScope appSetting is set to "true"
+        private static bool LogUncompletedScopes
+        {
+            get { return (_logUncompletedScopes ?? (_logUncompletedScopes = UmbracoConfig.For.CoreDebug().LogUncompletedScopes)).Value; }
+        }
     }
 }

src/Umbraco.Core/Services/ContentService.cs

@@ -578,11 +578,9 @@ namespace Umbraco.Core.Services
                 var repository = RepositoryFactory.CreateContentRepository(uow);
 
                 var query = Query<IContent>.Builder;
-                //if the id is System Root, then just get all
-                if (id != Constants.System.Root)
-                {
-                    query.Where(x => x.ParentId == id);
-                }
+                // always check for a parent - else it will also get decendants (and then you should use the GetPagedDescendants method)
+                query.Where(x => x.ParentId == id);
+
                 IQuery<IContent> filterQuery = null;
                 if (filter.IsNullOrWhiteSpace() == false)
                 {

src/Umbraco.Core/Services/MediaService.cs

@@ -457,11 +457,9 @@ namespace Umbraco.Core.Services
                 var repository = RepositoryFactory.CreateMediaRepository(uow);
 
                 var query = Query<IMedia>.Builder;
-                //if the id is System Root, then just get all
-                if (id != Constants.System.Root)
-                {
-                    query.Where(x => x.ParentId == id);
-                }
+                // always check for a parent - else it will also get decendants (and then you should use the GetPagedDescendants method)
+                query.Where(x => x.ParentId == id);
+
                 IQuery<IMedia> filterQuery = null;
                 if (filter.IsNullOrWhiteSpace() == false)
                 {

src/Umbraco.Core/Umbraco.Core.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Core</RootNamespace>
     <AssemblyName>Umbraco.Core</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
@@ -39,15 +39,19 @@
   <ItemGroup>
     <Reference Include="AutoMapper, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="AutoMapper.Net4, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.Net4.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="HtmlAgilityPack, Version=1.4.9.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
-      <HintPath>..\packages\HtmlAgilityPack.1.4.9\lib\Net45\HtmlAgilityPack.dll</HintPath>
+    <Reference Include="HtmlAgilityPack, Version=1.4.9.5, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.4.9.5\lib\Net45\HtmlAgilityPack.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ImageProcessor, Version=2.5.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ImageProcessor.2.5.2\lib\net45\ImageProcessor.dll</HintPath>
@@ -55,49 +59,64 @@
     </Reference>
     <Reference Include="log4net, Version=1.2.15.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
       <HintPath>..\packages\log4net.2.0.5\lib\net45-full\log4net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Core.2.2.1\lib\net45\Microsoft.AspNet.Identity.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Owin, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Owin.2.2.1\lib\net45\Microsoft.AspNet.Identity.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.3.0.1\lib\net45\Microsoft.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.3.0.1\lib\net45\Microsoft.Owin.Security.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.Cookies, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.Cookies.3.0.1\lib\net45\Microsoft.Owin.Security.Cookies.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.OAuth, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.OAuth.3.0.1\lib\net45\Microsoft.Owin.Security.OAuth.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MiniProfiler, Version=2.1.0.0, Culture=neutral, PublicKeyToken=b44f9351044011a3, processorArchitecture=MSIL">
       <HintPath>..\packages\MiniProfiler.2.1.0\lib\net40\MiniProfiler.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
       <HintPath>..\packages\MySql.Data.6.9.8\lib\net45\MySql.Data.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5, processorArchitecture=MSIL">
       <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\net452\Semver.dll</HintPath>
+    <Reference Include="Semver, Version=1.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\semver.1.1.2\lib\net45\Semver.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.ComponentModel.Composition" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Data.Entity" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.DirectoryServices.AccountManagement" />
     <Reference Include="System.Drawing" />
@@ -199,6 +218,7 @@
     <Compile Include="Configuration\Dashboard\SectionElement.cs" />
     <Compile Include="Configuration\Dashboard\TabCollection.cs" />
     <Compile Include="Configuration\Dashboard\TabElement.cs" />
+    <Compile Include="Configuration\CoreDebug.cs" />
     <Compile Include="Configuration\FileSystemProviderElement.cs" />
     <Compile Include="Configuration\FileSystemProviderElementCollection.cs" />
     <Compile Include="Configuration\FileSystemProvidersSection.cs" />

src/Umbraco.Core/app.config

@@ -32,4 +32,9 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup><system.data>
+    <DbProviderFactories>
+      <remove invariant="MySql.Data.MySqlClient" />
+      <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient" description=".Net Framework Data Provider for MySQL" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" />
+    </DbProviderFactories>
+  </system.data></configuration>

src/Umbraco.Core/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="AutoMapper" version="3.3.1" targetFramework="net45" />
-  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
+  <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net45" />
   <package id="ImageProcessor" version="2.5.2" targetFramework="net45" />
   <package id="log4net" version="2.0.5" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
@@ -12,9 +12,9 @@
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net45" />
   <package id="MiniProfiler" version="2.1.0" targetFramework="net45" />
   <package id="MySql.Data" version="6.9.8" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="Semver" version="2.0.4" targetFramework="net462" />
+  <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" />
 </packages>

src/Umbraco.Tests.Benchmarks/App.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
     <startup> 
-        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" />
     </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

src/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj

@@ -9,7 +9,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Tests.Benchmarks</RootNamespace>
     <AssemblyName>Umbraco.Tests.Benchmarks</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
@@ -40,101 +40,55 @@
   <ItemGroup>
     <Reference Include="BenchmarkDotNet, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.0.9.9\lib\net45\BenchmarkDotNet.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Core, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Core.0.9.9\lib\net45\BenchmarkDotNet.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Diagnostics.Windows, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Diagnostics.Windows.0.9.9\lib\net45\BenchmarkDotNet.Diagnostics.Windows.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="BenchmarkDotNet.Toolchains.Roslyn, Version=0.9.9.0, Culture=neutral, PublicKeyToken=aa0ca2f9092cefc4, processorArchitecture=MSIL">
       <HintPath>..\packages\BenchmarkDotNet.Toolchains.Roslyn.0.9.9\lib\net45\BenchmarkDotNet.Toolchains.Roslyn.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CodeAnalysis, Version=1.3.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeAnalysis.Common.1.3.2\lib\net45\Microsoft.CodeAnalysis.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CodeAnalysis.CSharp, Version=1.3.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.CodeAnalysis.CSharp.1.3.2\lib\net45\Microsoft.CodeAnalysis.CSharp.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Diagnostics.Tracing.TraceEvent, Version=1.0.41.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Diagnostics.Tracing.TraceEvent.1.0.41\lib\net40\Microsoft.Diagnostics.Tracing.TraceEvent.dll</HintPath>
-    </Reference>
-    <Reference Include="System" />
-    <Reference Include="System.AppContext, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.AppContext.4.1.0\lib\net46\System.AppContext.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System" />
     <Reference Include="System.Collections.Immutable, Version=1.2.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Collections.Immutable.1.2.0\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.ComponentModel.Composition" />
-    <Reference Include="System.Console, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Console.4.0.0\lib\net46\System.Console.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="System.Core" />
     <Reference Include="System.Data.SqlServerCe, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Data.SqlServerCe.Entity, Version=4.0.0.1, Culture=neutral, PublicKeyToken=89845dcd8080cc91, processorArchitecture=MSIL">
       <HintPath>..\packages\SqlServerCE.4.0.0.1\lib\System.Data.SqlServerCe.Entity.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Diagnostics.FileVersionInfo, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Diagnostics.FileVersionInfo.4.0.0\lib\net46\System.Diagnostics.FileVersionInfo.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Diagnostics.StackTrace, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Diagnostics.StackTrace.4.0.1\lib\net46\System.Diagnostics.StackTrace.dll</HintPath>
-    </Reference>
-    <Reference Include="System.IO.FileSystem, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.IO.FileSystem.4.0.1\lib\net46\System.IO.FileSystem.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.IO.FileSystem.Primitives, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.IO.FileSystem.Primitives.4.0.1\lib\net46\System.IO.FileSystem.Primitives.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Management" />
     <Reference Include="System.Numerics" />
-    <Reference Include="System.Reflection, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Reflection.4.1.0\lib\net462\System.Reflection.dll</HintPath>
-    </Reference>
     <Reference Include="System.Reflection.Metadata, Version=1.3.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Reflection.Metadata.1.3.0\lib\portable-net45+win8\System.Reflection.Metadata.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.4.1.0\lib\net462\System.Runtime.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime.Extensions, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.Extensions.4.1.0\lib\net462\System.Runtime.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Runtime.InteropServices, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.InteropServices.4.1.0\lib\net462\System.Runtime.InteropServices.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Algorithms, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Algorithms.4.2.0\lib\net461\System.Security.Cryptography.Algorithms.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Encoding, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Encoding.4.0.0\lib\net46\System.Security.Cryptography.Encoding.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.Primitives, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.Primitives.4.0.0\lib\net46\System.Security.Cryptography.Primitives.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Security.Cryptography.X509Certificates, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Security.Cryptography.X509Certificates.4.1.0\lib\net461\System.Security.Cryptography.X509Certificates.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Text.Encoding.CodePages, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Text.Encoding.CodePages.4.0.1\lib\net46\System.Text.Encoding.CodePages.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Threading.Tasks.Extensions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Threading.Tasks.Extensions.4.0.0\lib\portable-net45+win8+wp8+wpa81\System.Threading.Tasks.Extensions.dll</HintPath>
-    </Reference>
-    <Reference Include="System.Threading.Thread, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Threading.Thread.4.0.0\lib\net46\System.Threading.Thread.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
@@ -143,18 +97,6 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
-    <Reference Include="System.Xml.XmlDocument, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XmlDocument.4.0.1\lib\net46\System.Xml.XmlDocument.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Xml.XPath, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XPath.4.0.1\lib\net46\System.Xml.XPath.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
-    <Reference Include="System.Xml.XPath.XDocument, Version=4.0.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Xml.XPath.XDocument.4.0.1\lib\net46\System.Xml.XPath.XDocument.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="LinqCastBenchmarks.cs" />
@@ -168,6 +110,7 @@
   <ItemGroup>
     <None Include="App.config" />
     <None Include="packages.config" />
+    <None Include="_TraceEventProgrammersGuide.docx" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Core\Umbraco.Core.csproj">
@@ -187,6 +130,10 @@
     <Analyzer Include="..\packages\Microsoft.CodeAnalysis.Analyzers.1.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.Analyzers.dll" />
     <Analyzer Include="..\packages\Microsoft.CodeAnalysis.Analyzers.1.1.0\analyzers\dotnet\cs\Microsoft.CodeAnalysis.CSharp.Analyzers.dll" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="TraceEvent.ReadMe.txt" />
+    <Content Include="TraceEvent.ReleaseNotes.txt" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>

src/Umbraco.Tests.Benchmarks/packages.config

@@ -10,45 +10,29 @@
   <package id="Microsoft.Diagnostics.Tracing.TraceEvent" version="1.0.41" targetFramework="net45" />
   <package id="Microsoft.SqlServer.Compact" version="4.0.8854.1" targetFramework="net45" />
   <package id="SqlServerCE" version="4.0.0.1" targetFramework="net45" />
-  <package id="System.AppContext" version="4.1.0" targetFramework="net462" />
-  <package id="System.Collections" version="4.0.11" targetFramework="net462" />
-  <package id="System.Collections.Concurrent" version="4.0.12" targetFramework="net462" />
-  <package id="System.Collections.Immutable" version="1.2.0" targetFramework="net462" />
-  <package id="System.Console" version="4.0.0" targetFramework="net462" />
-  <package id="System.Diagnostics.Debug" version="4.0.11" targetFramework="net462" />
-  <package id="System.Diagnostics.FileVersionInfo" version="4.0.0" targetFramework="net462" />
-  <package id="System.Diagnostics.StackTrace" version="4.0.1" targetFramework="net462" />
-  <package id="System.Diagnostics.Tools" version="4.0.1" targetFramework="net462" />
-  <package id="System.Dynamic.Runtime" version="4.0.11" targetFramework="net462" />
-  <package id="System.Globalization" version="4.0.11" targetFramework="net462" />
-  <package id="System.IO.FileSystem" version="4.0.1" targetFramework="net462" />
-  <package id="System.IO.FileSystem.Primitives" version="4.0.1" targetFramework="net462" />
-  <package id="System.Linq" version="4.1.0" targetFramework="net462" />
-  <package id="System.Linq.Expressions" version="4.1.0" targetFramework="net462" />
-  <package id="System.Reflection" version="4.1.0" targetFramework="net462" />
-  <package id="System.Reflection.Metadata" version="1.3.0" targetFramework="net462" />
-  <package id="System.Reflection.Primitives" version="4.0.1" targetFramework="net462" />
-  <package id="System.Resources.ResourceManager" version="4.0.1" targetFramework="net462" />
-  <package id="System.Runtime" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Extensions" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Handles" version="4.0.1" targetFramework="net462" />
-  <package id="System.Runtime.InteropServices" version="4.1.0" targetFramework="net462" />
-  <package id="System.Runtime.Numerics" version="4.0.1" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Algorithms" version="4.2.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Encoding" version="4.0.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.Primitives" version="4.0.0" targetFramework="net462" />
-  <package id="System.Security.Cryptography.X509Certificates" version="4.1.0" targetFramework="net462" />
-  <package id="System.Text.Encoding" version="4.0.11" targetFramework="net462" />
-  <package id="System.Text.Encoding.CodePages" version="4.0.1" targetFramework="net462" />
-  <package id="System.Text.Encoding.Extensions" version="4.0.11" targetFramework="net462" />
-  <package id="System.Threading" version="4.0.11" targetFramework="net462" />
-  <package id="System.Threading.Tasks" version="4.0.11" targetFramework="net462" />
+  <package id="System.Collections" version="4.0.11" targetFramework="net45" />
+  <package id="System.Collections.Concurrent" version="4.0.12" targetFramework="net45" />
+  <package id="System.Collections.Immutable" version="1.2.0" targetFramework="net45" />
+  <package id="System.Diagnostics.Debug" version="4.0.11" targetFramework="net45" />
+  <package id="System.Diagnostics.Tools" version="4.0.1" targetFramework="net45" />
+  <package id="System.Dynamic.Runtime" version="4.0.11" targetFramework="net45" />
+  <package id="System.Globalization" version="4.0.11" targetFramework="net45" />
+  <package id="System.Linq" version="4.1.0" targetFramework="net45" />
+  <package id="System.Linq.Expressions" version="4.1.0" targetFramework="net45" />
+  <package id="System.Reflection" version="4.1.0" targetFramework="net45" />
+  <package id="System.Reflection.Metadata" version="1.3.0" targetFramework="net45" />
+  <package id="System.Reflection.Primitives" version="4.0.1" targetFramework="net45" />
+  <package id="System.Resources.ResourceManager" version="4.0.1" targetFramework="net45" />
+  <package id="System.Runtime" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.Extensions" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.InteropServices" version="4.1.0" targetFramework="net45" />
+  <package id="System.Runtime.Numerics" version="4.0.1" targetFramework="net45" />
+  <package id="System.Text.Encoding" version="4.0.11" targetFramework="net45" />
+  <package id="System.Text.Encoding.Extensions" version="4.0.11" targetFramework="net45" />
+  <package id="System.Threading" version="4.0.11" targetFramework="net45" />
+  <package id="System.Threading.Tasks" version="4.0.11" targetFramework="net45" />
   <package id="System.Threading.Tasks.Extensions" version="4.0.0" targetFramework="net45" />
-  <package id="System.Threading.Tasks.Parallel" version="4.0.1" targetFramework="net462" />
-  <package id="System.Threading.Thread" version="4.0.0" targetFramework="net462" />
-  <package id="System.Xml.ReaderWriter" version="4.0.11" targetFramework="net462" />
-  <package id="System.Xml.XDocument" version="4.0.11" targetFramework="net462" />
-  <package id="System.Xml.XmlDocument" version="4.0.1" targetFramework="net462" />
-  <package id="System.Xml.XPath" version="4.0.1" targetFramework="net462" />
-  <package id="System.Xml.XPath.XDocument" version="4.0.1" targetFramework="net462" />
+  <package id="System.Threading.Tasks.Parallel" version="4.0.1" targetFramework="net45" />
+  <package id="System.Xml.ReaderWriter" version="4.0.11" targetFramework="net45" />
+  <package id="System.Xml.XDocument" version="4.0.11" targetFramework="net45" />
 </packages>

src/Umbraco.Tests/App.config

@@ -91,7 +91,7 @@
     </siteMap>
   </system.web>
 
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup>
   <runtime>
 
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">

src/Umbraco.Tests/IO/FileSystemProviderManagerTests.cs

@@ -21,6 +21,17 @@ namespace Umbraco.Tests.IO
 
             // media fs wants this
             ApplicationContext.Current = new ApplicationContext(CacheHelper.CreateDisabledCacheHelper(), new ProfilingLogger(Mock.Of<ILogger>(), Mock.Of<IProfiler>()));
+
+            // start clean
+            // because some tests will create corrupt or weird filesystems
+            FileSystemProviderManager.Current.Reset();
+        }
+
+        [TearDown]
+        public void TearDown()
+        {
+            // stay clean (see note in SetUp)
+            FileSystemProviderManager.Current.Reset();
         }
 
         [Test]
@@ -39,22 +50,53 @@ namespace Umbraco.Tests.IO
             Assert.NotNull(fs);
         }
 
-		[Test]
+        [Test]
+        public void Singleton_Typed_File_System()
+        {
+            var fs1 = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
+            var fs2 = FileSystemProviderManager.Current.GetFileSystemProvider<MediaFileSystem>();
+
+            Assert.AreSame(fs1, fs2);
+        }
+
+        [Test]
         public void Exception_Thrown_On_Invalid_Typed_File_System()
 		{
 			Assert.Throws<InvalidOperationException>(() => FileSystemProviderManager.Current.GetFileSystemProvider<InvalidTypedFileSystem>());
 		}
 
-	    /// <summary>
-	    /// Used in unit tests, for a typed file system we need to inherit from FileSystemWrapper and they MUST have a ctor
-	    /// that only accepts a base IFileSystem object
-	    /// </summary>
-	    internal class InvalidTypedFileSystem : FileSystemWrapper
+        [Test]
+        public void Exception_Thrown_On_NonConfigured_Typed_File_System()
+        {
+            // note: we need to reset the manager between tests else the Accept_Fallback test would corrupt that one
+            Assert.Throws<ArgumentException>(() => FileSystemProviderManager.Current.GetFileSystemProvider<NonConfiguredTypeFileSystem>());
+        }
+
+        [Test]
+        public void Accept_Fallback_On_NonConfigured_Typed_File_System()
+        {
+            var fs = FileSystemProviderManager.Current.GetFileSystemProvider<NonConfiguredTypeFileSystem>(() => new PhysicalFileSystem("~/App_Data/foo"));
+
+            Assert.NotNull(fs);
+        }
+
+        /// <summary>
+        /// Used in unit tests, for a typed file system we need to inherit from FileSystemWrapper and they MUST have a ctor
+        /// that only accepts a base IFileSystem object
+        /// </summary>
+        internal class InvalidTypedFileSystem : FileSystemWrapper
 	    {
-		    public InvalidTypedFileSystem(IFileSystem wrapped, string invalidParam) : base(wrapped)
-		    {
-		    }
+		    public InvalidTypedFileSystem(IFileSystem wrapped, string invalidParam)
+                : base(wrapped)
+		    { }
 	    }
 
+        [FileSystemProvider("noconfig")]
+        internal class NonConfiguredTypeFileSystem : FileSystemWrapper
+        {
+            public NonConfiguredTypeFileSystem(IFileSystem wrapped)
+                : base(wrapped)
+            { }
+        }
 	}
 }

src/Umbraco.Tests/IO/ShadowFileSystemTests.cs

@@ -806,6 +806,7 @@ namespace Umbraco.Tests.IO
         }
 
         [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
         public void ShadowGetFilesUsingWildcardAndSingleCharacterFilter()
         {
             // Arrange
@@ -846,6 +847,7 @@ namespace Umbraco.Tests.IO
         }
 
         [Test]
+        [Ignore("Does not work on all environments, Directory.GetFiles is broken.")]
         public void ShadowFileSystemFilterIsAsBrokenAsRealFileSystemFilter()
         {
             // Arrange

src/Umbraco.Tests/Scoping/ScopeFileSystemsTests.cs

@@ -32,6 +32,7 @@ namespace Umbraco.Tests.Scoping
 
         private static void ClearFiles()
         {
+            TestHelper.DeleteDirectory(IOHelper.MapPath("media"));
             TestHelper.DeleteDirectory(IOHelper.MapPath("FileSysTests"));
             TestHelper.DeleteDirectory(IOHelper.MapPath("App_Data"));
         }
@@ -43,6 +44,8 @@ namespace Umbraco.Tests.Scoping
             var physMediaFileSystem = new PhysicalFileSystem(IOHelper.MapPath("media"), "ignore");
             var mediaFileSystem = FileSystemProviderManager.Current.MediaFileSystem;
 
+            Assert.IsFalse(physMediaFileSystem.FileExists("f1.txt"));
+
             var scopeProvider = ApplicationContext.ScopeProvider;
             using (var scope = scopeProvider.CreateScope(scopeFileSystems: true))
             {

src/Umbraco.Tests/Services/ContentServiceTests.cs

@@ -1785,6 +1785,74 @@ namespace Umbraco.Tests.Services
             Assert.IsTrue(content.HasPublishedVersion());
         }
 
+        [Test]
+        public void Can_Get_Paged_Children()
+        {
+            var service = ServiceContext.ContentService;
+            // Start by cleaning the "db"
+            var umbTextPage = service.GetById(new Guid("B58B3AD4-62C2-4E27-B1BE-837BD7C533E0"));
+            service.Delete(umbTextPage);
+
+            var contentType = MockedContentTypes.CreateSimpleContentType();
+            ServiceContext.ContentTypeService.Save(contentType);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType);
+                ServiceContext.ContentService.Save(c1);
+            }
+            
+            long total;
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
+        [Test]
+        public void Can_Get_Paged_Children_Dont_Get_Descendants()
+        {
+            var service = ServiceContext.ContentService;
+            // Start by cleaning the "db"
+            var umbTextPage = service.GetById(new Guid("B58B3AD4-62C2-4E27-B1BE-837BD7C533E0"));
+            service.Delete(umbTextPage);
+
+            var contentType = MockedContentTypes.CreateSimpleContentType();
+            ServiceContext.ContentTypeService.Save(contentType);
+            // only add 9 as we also add a content with children 
+            for (int i = 0; i < 9; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType);
+                ServiceContext.ContentService.Save(c1);
+            }
+
+            var willHaveChildren = MockedContent.CreateSimpleContent(contentType);
+            ServiceContext.ContentService.Save(willHaveChildren);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedContent.CreateSimpleContent(contentType, "Content" + i, willHaveChildren.Id);
+                ServiceContext.ContentService.Save(c1);
+            }
+
+            long total;
+            // children in root including the folder - not the descendants in the folder
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+
+            // children in folder
+            entities = service.GetPagedChildren(willHaveChildren.Id, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(willHaveChildren.Id, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
         private IEnumerable<IContent> CreateContentHierarchy()
         {
             var contentType = ServiceContext.ContentTypeService.GetContentType("umbTextpage");

src/Umbraco.Tests/Services/MediaServiceTests.cs

@@ -145,6 +145,70 @@ namespace Umbraco.Tests.Services
             Assert.That(resolvedMedia.GetValue(Constants.Conventions.Media.File).ToString().Contains(mediaPath));
         }
 
+        [Test]
+        public void Can_Get_Paged_Children()
+        {
+            var mediaType = MockedContentTypes.CreateImageMediaType("Image2");
+            ServiceContext.ContentTypeService.Save(mediaType);
+            for (int i = 0; i < 10; i++)
+            {
+                var c1 = MockedMedia.CreateMediaImage(mediaType, -1);
+                ServiceContext.MediaService.Save(c1);
+            }
+
+            var service = ServiceContext.MediaService;
+
+            long total;
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
+        [Test]
+        public void Can_Get_Paged_Children_Dont_Get_Descendants()
+        {
+            var mediaType = MockedContentTypes.CreateImageMediaType("Image2");
+            ServiceContext.ContentTypeService.Save(mediaType);
+            // only add 9 as we also add a folder with children
+            for (int i = 0; i < 9; i++)
+            {
+                var m1 = MockedMedia.CreateMediaImage(mediaType, -1);
+                ServiceContext.MediaService.Save(m1);
+            }
+
+            var mediaTypeForFolder = MockedContentTypes.CreateImageMediaType("Folder2");
+            ServiceContext.ContentTypeService.Save(mediaTypeForFolder);
+            var mediaFolder = MockedMedia.CreateMediaFolder(mediaTypeForFolder, -1);
+            ServiceContext.MediaService.Save(mediaFolder);
+            for (int i = 0; i < 10; i++)
+            {
+                var m1 = MockedMedia.CreateMediaImage(mediaType, mediaFolder.Id);
+                ServiceContext.MediaService.Save(m1);
+            }
+
+            var service = ServiceContext.MediaService;
+
+            long total;
+            // children in root including the folder - not the descendants in the folder
+            var entities = service.GetPagedChildren(-1, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(-1, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+
+            // children in folder
+            entities = service.GetPagedChildren(mediaFolder.Id, 0, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(6));
+            Assert.That(total, Is.EqualTo(10));
+            entities = service.GetPagedChildren(mediaFolder.Id, 1, 6, out total).ToArray();
+            Assert.That(entities.Length, Is.EqualTo(4));
+            Assert.That(total, Is.EqualTo(10));
+        }
+
         private Tuple<IMedia, IMedia, IMedia, IMedia, IMedia> CreateTrashedTestMedia()
         {
             //Create and Save folder-Media -> 1050

src/Umbraco.Tests/TestHelpers/BaseDatabaseFactoryTest.cs

@@ -24,6 +24,7 @@ using Umbraco.Web.PublishedCache.XmlPublishedCache;
 using Umbraco.Web.Security;
 using umbraco.BusinessLogic;
 using Umbraco.Core.Events;
+using Umbraco.Core.IO;
 using Umbraco.Core.Scoping;
 
 namespace Umbraco.Tests.TestHelpers
@@ -110,6 +111,7 @@ namespace Umbraco.Tests.TestHelpers
             {
                 IsReady = true
             };
+
             return _appContext;
         }
 

src/Umbraco.Tests/TestHelpers/BaseUmbracoApplicationTest.cs

@@ -18,6 +18,7 @@ using Umbraco.Web;
 using Umbraco.Web.Models.Mapping;
 using umbraco.BusinessLogic;
 using Umbraco.Core.Events;
+using Umbraco.Core.IO;
 using Umbraco.Core.Scoping;
 
 namespace Umbraco.Tests.TestHelpers
@@ -150,6 +151,11 @@ namespace Umbraco.Tests.TestHelpers
         {
             var applicationContext = CreateApplicationContext();
             ApplicationContext.Current = applicationContext;
+
+            // FileSystemProviderManager captures the current ApplicationContext ScopeProvider
+            // in its current static instance (yea...) so we need to reset it here to ensure
+            // it is using the proper ScopeProvider
+            FileSystemProviderManager.Current.Reset();
         }
 
         protected virtual ApplicationContext CreateApplicationContext()
@@ -170,6 +176,7 @@ namespace Umbraco.Tests.TestHelpers
             {
                 IsReady = true
             };
+
             return applicationContext;
         }
 

src/Umbraco.Tests/Umbraco.Tests.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Umbraco.Tests</RootNamespace>
     <AssemblyName>Umbraco.Tests</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
@@ -91,8 +91,9 @@
     <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\net452\Semver.dll</HintPath>
+    <Reference Include="Semver, Version=1.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\semver.1.1.2\lib\net45\Semver.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />

src/Umbraco.Tests/packages.config

@@ -21,7 +21,7 @@
   <package id="NUnit" version="2.6.2" 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="net462" />
+  <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" />
 </packages>

src/Umbraco.Web.UI/Properties/Settings.Designer.cs

@@ -12,7 +12,7 @@ namespace Umbraco.Web.UI.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "14.0.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

src/Umbraco.Web.UI/Umbraco.Web.UI.csproj

@@ -37,7 +37,7 @@
     <SccProvider>
     </SccProvider>
     <OldToolsVersion>4.0</OldToolsVersion>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <TargetFrameworkProfile />
     <UseIISExpress>true</UseIISExpress>
     <IISExpressSSLPort>44319</IISExpressSSLPort>

src/Umbraco.Web/Properties/Settings1.Designer.cs

@@ -12,7 +12,7 @@ namespace Umbraco.Web.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "15.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "14.0.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));

src/Umbraco.Web/Umbraco.Web.csproj

@@ -36,7 +36,7 @@
     <SccProvider>
     </SccProvider>
     <OldToolsVersion>4.0</OldToolsVersion>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <TargetFrameworkProfile />
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
@@ -99,39 +99,51 @@
     </ProjectReference>
     <Reference Include="AutoMapper, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="AutoMapper.Net4, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.Net4.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ClientDependency.Core, Version=1.9.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ClientDependency.1.9.2\lib\net45\ClientDependency.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="CookComputing.XmlRpcV2, Version=2.5.0.0, Culture=neutral, PublicKeyToken=a7d6e17aa302004d, processorArchitecture=MSIL">
       <HintPath>..\packages\xmlrpcnet.2.5.0\lib\net20\CookComputing.XmlRpcV2.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="dotless.Core, Version=1.4.1.0, Culture=neutral, PublicKeyToken=96b446c9e63eae34, processorArchitecture=MSIL">
       <HintPath>..\packages\dotless.1.4.1.0\lib\dotless.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Examine, Version=0.1.81.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Examine.0.1.81\lib\net45\Examine.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="HtmlAgilityPack, Version=1.4.9.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
-      <HintPath>..\packages\HtmlAgilityPack.1.4.9\lib\Net45\HtmlAgilityPack.dll</HintPath>
+    <Reference Include="HtmlAgilityPack, Version=1.4.9.5, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.4.9.5\lib\Net45\HtmlAgilityPack.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Lucene.Net, Version=2.9.4.1, Culture=neutral, PublicKeyToken=85089178b9ac3181, processorArchitecture=MSIL">
       <HintPath>..\packages\Lucene.Net.2.9.4.1\lib\net40\Lucene.Net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MarkdownSharp, Version=1.14.5.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Markdown.1.14.7\lib\net45\MarkdownSharp.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Core, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Core.2.2.1\lib\net45\Microsoft.AspNet.Identity.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.Identity.Owin, Version=2.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Identity.Owin.2.2.1\lib\net45\Microsoft.AspNet.Identity.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.AspNet.SignalR.Core, Version=2.2.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.SignalR.Core.2.2.1\lib\net45\Microsoft.AspNet.SignalR.Core.dll</HintPath>
@@ -140,33 +152,43 @@
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.3.0.1\lib\net45\Microsoft.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Host.SystemWeb, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Host.SystemWeb.3.0.1\lib\net45\Microsoft.Owin.Host.SystemWeb.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.3.0.1\lib\net45\Microsoft.Owin.Security.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.Cookies, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.Cookies.3.0.1\lib\net45\Microsoft.Owin.Security.Cookies.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin.Security.OAuth, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.Security.OAuth.3.0.1\lib\net45\Microsoft.Owin.Security.OAuth.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MiniProfiler, Version=2.1.0.0, Culture=neutral, PublicKeyToken=b44f9351044011a3, processorArchitecture=MSIL">
       <HintPath>..\packages\MiniProfiler.2.1.0\lib\net40\MiniProfiler.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5, processorArchitecture=MSIL">
       <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\net452\Semver.dll</HintPath>
+    <Reference Include="Semver, Version=1.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\semver.1.1.2\lib\net45\Semver.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System">
       <Name>System</Name>
@@ -186,6 +208,7 @@
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.Formatting, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.5.2.3\lib\net45\System.Net.Http.Formatting.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.ServiceModel" />
@@ -204,30 +227,38 @@
     <Reference Include="System.Web.Extensions.Design" />
     <Reference Include="System.Web.Helpers, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.Helpers.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Core.5.2.3\lib\net45\System.Web.Http.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http.WebHost, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.WebHost.5.2.3\lib\net45\System.Web.Http.WebHost.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Mvc, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Mvc.5.2.3\lib\net45\System.Web.Mvc.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Razor.3.2.3\lib\net45\System.Web.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Services">
       <Name>System.Web.Services</Name>
     </Reference>
     <Reference Include="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Deployment, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Deployment.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Xml">
@@ -270,6 +301,7 @@
     </ProjectReference>
     <Reference Include="UrlRewritingNet.UrlRewriter, Version=2.0.7.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\UrlRewritingNet.UrlRewriter.2.0.7\lib\UrlRewritingNet.UrlRewriter.dll</HintPath>
+      <Private>True</Private>
     </Reference>
   </ItemGroup>
   <ItemGroup>

src/Umbraco.Web/app.config

@@ -69,4 +69,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/Umbraco.Web/packages.config

@@ -4,7 +4,7 @@
   <package id="ClientDependency" version="1.9.2" targetFramework="net45" />
   <package id="dotless" version="1.4.1.0" targetFramework="net45" />
   <package id="Examine" version="0.1.81" targetFramework="net45" />
-  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
+  <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net45" />
   <package id="Lucene.Net" version="2.9.4.1" targetFramework="net45" />
   <package id="Markdown" version="1.14.7" targetFramework="net45" />
   <package id="Microsoft.AspNet.Identity.Core" version="2.2.1" targetFramework="net45" />
@@ -24,9 +24,9 @@
   <package id="Microsoft.Owin.Security.OAuth" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
   <package id="MiniProfiler" version="2.1.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="Semver" version="2.0.4" targetFramework="net462" />
+  <package id="semver" version="1.1.2" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="System.Threading.Tasks.Dataflow" version="4.6.0" targetFramework="net45" />
   <package id="UrlRewritingNet.UrlRewriter" version="2.0.7" targetFramework="net45" />

src/UmbracoExamine/UmbracoExamine.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>UmbracoExamine</RootNamespace>
     <AssemblyName>UmbracoExamine</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SccProjectName>
     </SccProjectName>
@@ -84,12 +84,15 @@
   <ItemGroup>
     <Reference Include="Examine, Version=0.1.81.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Examine.0.1.81\lib\net45\Examine.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Lucene.Net, Version=2.9.4.1, Culture=neutral, PublicKeyToken=85089178b9ac3181, processorArchitecture=MSIL">
       <HintPath>..\packages\Lucene.Net.2.9.4.1\lib\net40\Lucene.Net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />

src/UmbracoExamine/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.MacroEngines/app.config

@@ -44,4 +44,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.MacroEngines/packages.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Examine" version="0.1.81" targetFramework="net45" />
-  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
+  <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net45" />
   <package id="Lucene.Net" version="2.9.4.1" targetFramework="net45" />
   <package id="Microsoft.AspNet.Mvc" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.Razor" version="3.2.3" targetFramework="net45" />
@@ -11,6 +11,6 @@
   <package id="Microsoft.AspNet.WebApi.WebHost" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebPages" version="3.2.3" targetFramework="net45" />
   <package id="Microsoft.Web.Infrastructure" version="1.0.0.0" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net462" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
 </packages>

src/umbraco.MacroEngines/umbraco.MacroEngines.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>umbraco.MacroEngines</RootNamespace>
     <AssemblyName>umbraco.MacroEngines</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SccProjectName>
     </SccProjectName>
@@ -47,21 +47,27 @@
   <ItemGroup>
     <Reference Include="Examine, Version=0.1.81.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Examine.0.1.81\lib\net45\Examine.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="HtmlAgilityPack, Version=1.4.9.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
-      <HintPath>..\packages\HtmlAgilityPack.1.4.9\lib\Net45\HtmlAgilityPack.dll</HintPath>
+    <Reference Include="HtmlAgilityPack, Version=1.4.9.5, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.4.9.5\lib\Net45\HtmlAgilityPack.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Lucene.Net, Version=2.9.4.1, Culture=neutral, PublicKeyToken=85089178b9ac3181, processorArchitecture=MSIL">
       <HintPath>..\packages\Lucene.Net.2.9.4.1\lib\net40\Lucene.Net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
@@ -70,32 +76,41 @@
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Net.Http.Formatting, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.5.2.3\lib\net45\System.Net.Http.Formatting.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http.WebRequest" />
     <Reference Include="System.Web" />
     <Reference Include="System.Web.Helpers, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.Helpers.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Core.5.2.3\lib\net45\System.Web.Http.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http.WebHost, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.WebHost.5.2.3\lib\net45\System.Web.Http.WebHost.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Mvc, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Mvc.5.2.3\lib\net45\System.Web.Mvc.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Razor.3.2.3\lib\net45\System.Web.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Deployment, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Deployment.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />

src/umbraco.businesslogic/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.businesslogic/umbraco.businesslogic.csproj

@@ -37,7 +37,7 @@
     </SccProvider>
     <OldToolsVersion>3.5</OldToolsVersion>
     <IsWebBootstrapper>true</IsWebBootstrapper>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>http://localhost/businesslogic/</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Web</InstallFrom>
@@ -108,18 +108,23 @@
   <ItemGroup>
     <Reference Include="AutoMapper, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="AutoMapper.Net4, Version=3.3.1.0, Culture=neutral, PublicKeyToken=be96cd2c38ef1005, processorArchitecture=MSIL">
       <HintPath>..\packages\AutoMapper.3.3.1\lib\net40\AutoMapper.Net4.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Owin.3.0.1\lib\net45\Microsoft.Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Web.Infrastructure, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Web.Infrastructure.1.0.0.0\lib\net40\Microsoft.Web.Infrastructure.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Owin, Version=1.0.0.0, Culture=neutral, PublicKeyToken=f0ebd12fd5e55cc5, processorArchitecture=MSIL">
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.configuration" />
@@ -138,21 +143,27 @@
     </Reference>
     <Reference Include="System.Web.Helpers, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.Helpers.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Mvc, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Mvc.5.2.3\lib\net45\System.Web.Mvc.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.Razor.3.2.3\lib\net45\System.Web.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Deployment, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Deployment.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.WebPages.Razor, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebPages.3.2.3\lib\net45\System.Web.WebPages.Razor.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml">
       <Name>System.XML</Name>

src/umbraco.cms/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.cms/packages.config

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="ClientDependency" version="1.9.2" targetFramework="net45" />
-  <package id="HtmlAgilityPack" version="1.4.9" targetFramework="net45" />
-  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net462" />
+  <package id="HtmlAgilityPack" version="1.4.9.5" targetFramework="net45" />
+  <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net45" />
   <package id="SharpZipLib" version="0.86.0" targetFramework="net45" />
   <package id="Tidy.Net" version="1.0.0" targetFramework="net45" />
 </packages>

src/umbraco.cms/umbraco.cms.csproj

@@ -36,7 +36,7 @@
     <SccProvider>
     </SccProvider>
     <OldToolsVersion>3.5</OldToolsVersion>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -108,16 +108,20 @@
   <ItemGroup>
     <Reference Include="ClientDependency.Core, Version=1.9.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ClientDependency.1.9.2\lib\net45\ClientDependency.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
-    <Reference Include="HtmlAgilityPack, Version=1.4.9.0, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
-      <HintPath>..\packages\HtmlAgilityPack.1.4.9\lib\Net45\HtmlAgilityPack.dll</HintPath>
+    <Reference Include="HtmlAgilityPack, Version=1.4.9.5, Culture=neutral, PublicKeyToken=bd319b19eaf3b43a, processorArchitecture=MSIL">
+      <HintPath>..\packages\HtmlAgilityPack.1.4.9.5\lib\Net45\HtmlAgilityPack.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="ICSharpCode.SharpZipLib, Version=0.86.0.518, Culture=neutral, PublicKeyToken=1b03e6acf1164f73, processorArchitecture=MSIL">
       <HintPath>..\packages\SharpZipLib.0.86.0\lib\20\ICSharpCode.SharpZipLib.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System">
       <Name>System</Name>
@@ -165,6 +169,7 @@
     <Reference Include="System.Xml.Linq" />
     <Reference Include="TidyNet, Version=1.0.0.0, Culture=neutral">
       <HintPath>..\packages\Tidy.Net.1.0.0\lib\TidyNet.dll</HintPath>
+      <Private>True</Private>
     </Reference>
   </ItemGroup>
   <ItemGroup>

src/umbraco.controls/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.controls/umbraco.controls.csproj

@@ -23,7 +23,7 @@
     <OldToolsVersion>3.5</OldToolsVersion>
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -70,6 +70,7 @@
   <ItemGroup>
     <Reference Include="ClientDependency.Core, Version=1.9.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ClientDependency.1.9.2\lib\net45\ClientDependency.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.configuration" />

src/umbraco.datalayer/app.config

@@ -32,4 +32,9 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup><system.data>
+    <DbProviderFactories>
+      <remove invariant="MySql.Data.MySqlClient" />
+      <add name="MySQL Data Provider" invariant="MySql.Data.MySqlClient" description=".Net Framework Data Provider for MySQL" type="MySql.Data.MySqlClient.MySqlClientFactory, MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d" />
+    </DbProviderFactories>
+  </system.data></configuration>

src/umbraco.datalayer/umbraco.datalayer.csproj

@@ -23,7 +23,7 @@
     <OldToolsVersion>3.5</OldToolsVersion>
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>
@@ -70,9 +70,11 @@
   <ItemGroup>
     <Reference Include="Microsoft.ApplicationBlocks.Data, Version=1.0.1559.20655, Culture=neutral">
       <HintPath>..\packages\Microsoft.ApplicationBlocks.Data.1.0.1559.20655\lib\Microsoft.ApplicationBlocks.Data.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="MySql.Data, Version=6.9.8.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d, processorArchitecture=MSIL">
       <HintPath>..\packages\MySql.Data.6.9.8\lib\net45\MySql.Data.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Configuration" />

src/umbraco.editorControls/app.config

@@ -53,4 +53,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.editorControls/umbraco.editorControls.csproj

@@ -37,7 +37,7 @@
     </SccProvider>
     <OldToolsVersion>3.5</OldToolsVersion>
     <IsWebBootstrapper>true</IsWebBootstrapper>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>http://localhost/umbraco.editorControls/</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Web</InstallFrom>
@@ -116,6 +116,7 @@
     </ProjectReference>
     <Reference Include="ClientDependency.Core, Version=1.9.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\ClientDependency.1.9.2\lib\net45\ClientDependency.Core.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System">
       <Name>System</Name>

src/umbraco.interfaces/umbraco.interfaces.csproj

@@ -36,7 +36,7 @@
     <SccProvider>
     </SccProvider>
     <OldToolsVersion>3.5</OldToolsVersion>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>

src/umbraco.providers/app.config

@@ -32,4 +32,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" /></startup></configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /></startup></configuration>

src/umbraco.providers/umbraco.providers.csproj

@@ -23,7 +23,7 @@
     <OldToolsVersion>3.5</OldToolsVersion>
     <UpgradeBackupLocation>
     </UpgradeBackupLocation>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <PublishUrl>publish\</PublishUrl>
     <Install>true</Install>
     <InstallFrom>Disk</InstallFrom>