Make it compile on core clr.
Added build script to generate projects from project.json
Updated build.
Added solution folder.
Changed version
Updated build.
Updated the build.
Added build to gitignore
Removed csproj files
Skip the cache for KoreBuild
Added nuget.config
Updated build.cmd
Removed the clear for sources.
Updated build files.
Updating build script to use cached NuGet.exe
Changing namespaces from Microsoft.Owin to Microsoft.AspNet
Workaround for myget being down
Workaround for getting the app base on core clr.
Reduce scope of #if NET45 to just the methods that need it.
Merge pull request #3 from nguerrera/dev

Reduce scope of #if NET45 to just the methods that need it.