Fix dictionary key access

Looks like someone does not know how to use a dictionary

build/Build.bat

@@ -1,5 +1,5 @@
 @ECHO OFF
-SET release=6.2.3
+SET release=6.2.5
 SET comment=
 SET version=%release%
 

build/NuSpecs/build/UmbracoCms.targets

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <UmbracoVersion>6.2.4</UmbracoVersion>
+    <UmbracoVersion>6.2.5</UmbracoVersion>
   </PropertyGroup>
   <Target Name="CopyUmbracoFilesToWebRoot" BeforeTargets="AfterBuild">
     <PropertyGroup>

src/Umbraco.Core/Configuration/UmbracoVersion.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Core.Configuration
 {
     public class UmbracoVersion
     {
-        private static readonly Version Version = new Version("6.2.4");
+        private static readonly Version Version = new Version("6.2.5");
 
         /// <summary>
         /// Gets the current version of Umbraco.

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

@@ -172,12 +172,15 @@
     <Reference Include="System.EnterpriseServices" />
     <Reference Include="System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http.Formatting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Client.4.0.30506.0\lib\net40\System.Net.Http.Formatting.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http.WebRequest, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.Net.Http.2.0.20710.0\lib\net40\System.Net.Http.WebRequest.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web">
       <Name>System.Web</Name>
@@ -196,9 +199,11 @@
     </Reference>
     <Reference Include="System.Web.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.Core.4.0.30506.0\lib\net40\System.Web.Http.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http.WebHost, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.AspNet.WebApi.WebHost.4.0.30506.0\lib\net40\System.Web.Http.WebHost.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Mvc, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <Private>True</Private>
@@ -2675,9 +2680,9 @@ xcopy "$(ProjectDir)"..\packages\SqlServerCE.4.0.0.0\x86\*.* "$(TargetDir)x86\"
         <WebProjectProperties>
           <UseIIS>True</UseIIS>
           <AutoAssignPort>True</AutoAssignPort>
-          <DevelopmentServerPort>6230</DevelopmentServerPort>
+          <DevelopmentServerPort>6250</DevelopmentServerPort>
           <DevelopmentServerVPath>/</DevelopmentServerVPath>
-          <IISUrl>http://localhost:6240</IISUrl>
+          <IISUrl>http://localhost:6250</IISUrl>
           <NTLMAuthentication>False</NTLMAuthentication>
           <UseCustomServer>False</UseCustomServer>
           <CustomServerUrl>

src/umbraco.cms/businesslogic/Dictionary.cs

@@ -93,7 +93,6 @@ namespace umbraco.cms.businesslogic
         /// </summary>
         public class DictionaryItem
         {
-
             private string _key;
 
             internal Guid UniqueId { get; private set; }
@@ -118,13 +117,12 @@ namespace umbraco.cms.businesslogic
             {
                 EnsureCache();
 
-                var item = DictionaryItems.Values.SingleOrDefault(x => x.key == key);
+                if (!DictionaryItems.ContainsKey(key))
-
-                if (item == null)
                 {
                     throw new ArgumentException("No key " + key + " exists in dictionary");
                 }
 
+                var item = DictionaryItems[key];
                 this.id = item.id;
                 this._key = item.key;
                 this.ParentId = item.ParentId;