Added a C# console file and cshtml Razor MVC View file.
Added cshtml extention for C# ASP.Net MVC Views.
Updated sample.json to include C# samples
Corrected order of C# file extentions
Merge branch 'Csharp-samples' of https://github.com/emma-burrows/linguist into Csharp-samples
Merge pull request #877 from emma-burrows/Csharp-samples

Csharp samples, including ASP.Net MVC view file