Replaced NUnit with xUnit.Net
Added CI build project
Deleted files saved when running tests
Merge pull request #90 from khellang/ci-build

Added build script
Added CI build configuration
Merge pull request #92 from khellang/build-fix

Added CI build configuration
Update Build.proj
Update README.md
Updated NuGet to 2.7
Merge pull request #88 from khellang/nuget-update

Updated NuGet to 2.7