Renames ApplyOAuthParameter method.
Adds the OAuth 1 consumer RSA-SHA1 signing message handler.
Adds the OAuth 1 consumer PLAINTEXT signing message handler.
StyleCop fixes.
Fixes NullReferenceException in MessageValidationBindingElement.
Adds support for symmetric key signing and encryption of access tokens.

This targets the common scenario where authorization servers and resource servers are actually on the same web application, and asymmetric cryptography is overkill and requires extra setup.
Fixes basic auth creation.
Adds a WebAPI sample that is its own authorization server and resource server.