Vs2012conversion

Solution opens, builds and runs unit tests in Visual Studio 2012 (#14) - although no explicit conversion took place. (Which I assume means it will also continue to open in vs2010.

Also,
* Removed NuGet packages from source control. [Package restore](https://docs.nuget.org/docs/reference/package-restore) will automatically download any packages needed on build.
* Fixed various EOL issues by resetting all text files to CRLF and committing with autocrlf=true.