Added testoverlay2 to the Visual Studio 2013 solution

VisualC/SDL_VS2013.sln

@@ -112,6 +112,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testgles2", "tests\testgles
 		{DA956FD3-E143-46F2-9FE5-C77BEBC56B1A} = {DA956FD3-E143-46F2-9FE5-C77BEBC56B1A}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testoverlay2", "tests\testoverlay2\testoverlay2_VS2013.vcxproj", "{55812185-D13C-4022-9C81-32E0F4A08AAD}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -281,6 +283,14 @@ Global
 		{E5287C64-0646-4BFA-A772-1DB5A649F35E}.Release|Win32.Build.0 = Release|Win32
 		{E5287C64-0646-4BFA-A772-1DB5A649F35E}.Release|x64.ActiveCfg = Release|x64
 		{E5287C64-0646-4BFA-A772-1DB5A649F35E}.Release|x64.Build.0 = Release|x64
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Debug|Win32.ActiveCfg = Debug|Win32
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Debug|Win32.Build.0 = Debug|Win32
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Debug|x64.ActiveCfg = Debug|x64
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Debug|x64.Build.0 = Debug|x64
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Release|Win32.ActiveCfg = Release|Win32
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Release|Win32.Build.0 = Release|Win32
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Release|x64.ActiveCfg = Release|x64
+		{55812185-D13C-4022-9C81-32E0F4A08AAD}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -303,5 +313,6 @@ Global
 		{55812185-D13C-4022-9C81-32E0F4A08996} = {CE748C1F-3C21-4825-AA6A-F895A023F7E7}
 		{55812185-D13C-4022-9C81-32E0F4A08BCC} = {CE748C1F-3C21-4825-AA6A-F895A023F7E7}
 		{E5287C64-0646-4BFA-A772-1DB5A649F35E} = {CE748C1F-3C21-4825-AA6A-F895A023F7E7}
+		{55812185-D13C-4022-9C81-32E0F4A08AAD} = {CE748C1F-3C21-4825-AA6A-F895A023F7E7}
 	EndGlobalSection
 EndGlobal

VisualC/tests/testoverlay2/testoverlay2_VS2013.vcxproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -27,23 +27,23 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>MultiByte</CharacterSet>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
-    <PlatformToolset>v110</PlatformToolset>
+    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">