Added UserClaim model for transferring claims between the server and the client.
Added methods to convert to the UserClaim type.
Added action "GetUserClaims", with a route of "UserClaims" to get claims belonging to the currently logged in user.
Added reference to the Lisa.Zuma.BlueJay.Models project.
Added implementation for retrieving user claims before creating the identity.
Added link to login or logoff, based on current login status.
Changed some text on the Index.cshtml.
Added redirect to requested page when login is successful.