Facebook oAuth scope included
usage:  AuthConfig.cs

 public static class AuthConfig
    {
        public static void RegisterAuth()
        {

            OAuthWebSecurity.RegisterClient(
                    new FacebookScopedClient(
                        "appId-here",
                        "appSecret-here",
                        "publish_stream,read_stream,publish_actions,email"),
                    "Facebook",
                    null);
      }
}