Disallows: 1+1. Must be 1 + 1.
* Reproduces error for issue 3208 * Make sure we don't override a default adapter with the options when validation function are not provided
* Moves all authentication providers to Adapter/Auth * refactors specs * Deprecates oauth option in favor of auth option - Deprecates facebookAppIds option (in favor of auth.facebook.appIds) - Adds warnings about the deprecated options * nits
