Update .gitignore

Version Information
.NET Framework
Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
Portable Class Library
Supported in: Portable Class Library
.NET for Windows Store apps
Supported in: Windows 8
.NET for Windows Phone apps
Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1


B.S. Computer Science or equivalent experience preferred - M.S. or Ph.D. a plus
Experience working with high-volume, large-scale SQL databases (> 2 TB)
Experience developing and debugging C# multi-threaded applications and Windows Services
Experience working through requirements documents providing interactive feedback and critique to product development team
Experience working with QA teams to develop detailed test plans
Strong understanding of the internal workings of the .NET framework, IIS, application memory management and performance optimization