Added <DefaultLanguage> to Win8 builds.
Windows, WindowsGL, and Windows8 work now.
Added <Reference> <Aliases> support.
You now must add <RemoveXnaAssembliesOnWP8>true</RemoveXnaAssembliesOnWP8> to remove Microsoft XNA assemblies in a project.
Added default generation platforms.
Fixed Windows Phone references.
Don't exclude XNA assemblies in WindowsPhone framework build.