Revert "new model"

This reverts commit 932f402bab5943471caa995c1e7ef8c99bc1a4a6.
Revert "gravatar"

This reverts commit 598923184d9fad23ae01d9a441491c0ed5b7562c.
Revert " Revert "new model""

This reverts commit dc815adf57632f18e2a49101eaf32dcb3751f887.
Finish User Add