Add C# VS2012 with NUnit/FluentAssertions and F# 3.0 CS2012 with FsUnit/xUnit/FluentAssertions starting point 

* Already existed C#/VS2012 starting point was copied
** NUnit and FluentAssertions had been referenced using NuGet
* New F#/VS2012 starting point has been added
** FxUnit/xUnit and FluentAssertions had  been referenced using NuGet