Be sure to save user model when using `add_role_to_user` method for MongoEngineUserDatastore. Fixes #170
Show an error if a user tries to change their password and its the same as before. Fixes #160
Merge branch 'develop' of github.com:mattupstate/flask-security into develop
Add the ability to specify additional fields on the user model that can be used for logging in.
Merge branch 'develop' of github.com:mattupstate/flask-security into develop
Merge branch 'develop' into configurable_login_fields