Added Example Web App
Added documentation and refactored repositories
Upgraded Entity Framework version to 6.1.1 from 6.1.0
Added reference to the original request in authorization code responses
Got the example working full-circle

Added Access Token Validation to OAuthProvider. Added Database Migrations to Example Project. Added OAuth Authorization Attribute for OAuth Scope Authorization.
Basic Improvements and cleanup

Moved Extension methods to seperate namespace and reworked some code contracts to depend on vanilla code.
Adding Values for users to example project.
Removed Code Contracts and replaced with vanilla validation code.

Improved example project