Fixed the link to the MVC sample - fixes #30
Converted project to a Portable Class Library supporting .NET 4, Silverlight 5, Windows 8.x, and Windows Phone 8

- TitleInfo.ToTitleCase() is not supported on PCLs. An alternative will
need to be found.
- The "Localizable" attribute is not supported in PCLs. The impact will
need to be researched.
- The "DescriptionAttribute" is not supported in PCLs. An alternative
may need to be found, if necessary.
- The NuGet package process will need to be altered.
- All issues found in the code are marked with //TODOs
fixed commented & broken code in pcl context
API documentation for fluent date
removed system.xml.linq as it's unsupported in pcl
changed nuspec file to get version from TeamCity
updated nuget.exe to the latest version
Changed PublicApiApprovalTests to explicit to avoid CI break for now
moved the nuspec file to the repo root
Catching up