Added MEF to load assemblies implementing IAuthenticationProvider
added mvc sample project and basic empty files
implemented MVC controller support
code tidy up
MVC Sample project for MVC Automated Setup
some more cleanup
Added state check into Windows Live provider
Merge pull request #28 from phillip-haydon/ProvidersLib

- Added MEF to load assemblies implementing IAuthenticationProvider. :thumbsup: :thumbsup:
Merge pull request #29 from phillip-haydon/MVCSupport

- Added Mvc support, including a sample MVC project.