[VS Addin] Add visual studio 2012 support

visual_studio/NativeClientVSAddIn/UnitTests/UnitTests_2012.csproj

Index: visual_studio/NativeClientVSAddIn/UnitTests/UnitTests_2012.csproj
diff --git a/visual_studio/NativeClientVSAddIn/UnitTests/UnitTests.csproj b/visual_studio/NativeClientVSAddIn/UnitTests/UnitTests_2012.csproj
similarity index 83%
copy from visual_studio/NativeClientVSAddIn/UnitTests/UnitTests.csproj
copy to visual_studio/NativeClientVSAddIn/UnitTests/UnitTests_2012.csproj
index eae16ef5868eee001692108b3ae3e776c42269cb..de82f939466655beb806d880f494c83ef3d29e1d 100644
--- a/visual_studio/NativeClientVSAddIn/UnitTests/UnitTests.csproj
+++ b/visual_studio/NativeClientVSAddIn/UnitTests/UnitTests_2012.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -11,50 +11,48 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>UnitTests</RootNamespace>
     <AssemblyName>UnitTests</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
-    <OutputPath>..\..\..\out\vs_addin\Debug\</OutputPath>
-    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <OutputPath>..\..\..\out\vs_addin\2012\Debug\</OutputPath>
+    <DefineConstants>TRACE;DEBUG;VS2012</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
-    <OutputPath>..\..\..\out\vs_addin\Release\</OutputPath>
+    <OutputPath>..\..\..\out\vs_addin\2012\Release\</OutputPath>
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="EnvDTE, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <EmbedInteropTypes>False</EmbedInteropTypes>
-    </Reference>
-    <Reference Include="EnvDTE100, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+    <Reference Include="envdte, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
     <Reference Include="EnvDTE80, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
-    <Reference Include="EnvDTE90, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
-      <EmbedInteropTypes>False</EmbedInteropTypes>
-    </Reference>
     <Reference Include="Extensibility, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.VisualStudio.Shell.10.0, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
-    <Reference Include="Microsoft.VisualStudio.VCProject, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <Reference Include="Microsoft.VisualStudio.VCProject, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
-    <Reference Include="Microsoft.VisualStudio.VCProjectEngine, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <Reference Include="Microsoft.VisualStudio.VCProjectEngine, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>
     <Reference Include="stdole, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
@@ -98,7 +96,7 @@
       <Project>{FCD6F8FE-DF89-4232-A138-42C97826712A}</Project>
       <Name>NaCl.Build.CPPTasks</Name>
     </ProjectReference>
-    <ProjectReference Include="..\NativeClientVSAddIn\NativeClientVSAddIn.csproj">
+    <ProjectReference Include="..\NativeClientVSAddIn_2012\NativeClientVSAddIn_2012.csproj">
       <Project>{16A0B3E3-6E53-430B-B388-3811E09FC7B8}</Project>
       <Name>NativeClientVSAddIn</Name>
       <EmbedInteropTypes>False</EmbedInteropTypes>
@@ -112,4 +110,4 @@
   <Target Name="AfterBuild">
   </Target>
   -->
-</Project>
+</Project>