Fix warnings on build

Author: ig-sinicyn

Experimental/tests-performance/CodeJam.Experimental-Tests.Performance.csproj

@@ -39,8 +39,8 @@
       <HintPath>..\..\packages\JetBrains.Annotations.10.1.4\lib\net20\JetBrains.Annotations.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.Build" />
-    <Reference Include="Microsoft.Build.Framework" />
+    <Reference Include="Microsoft.Build, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+    <Reference Include="Microsoft.Build.Framework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.Build.Utilities.Core, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="nunit.framework, Version=3.2.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">

Main/tests-performance/CodeJam.Main-Tests.Performance.csproj

@@ -39,8 +39,8 @@
       <HintPath>..\..\packages\JetBrains.Annotations.10.1.4\lib\net20\JetBrains.Annotations.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.Build" />
-    <Reference Include="Microsoft.Build.Framework" />
+    <Reference Include="Microsoft.Build, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
+    <Reference Include="Microsoft.Build.Framework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.Build.Utilities.Core, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.DiaSymReader, Version=1.0.7.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">