Adds a USERENA_SIGNIN_AFTER_SIGNUP settings, which signs a newly registered user in if True and if USERENA_ACTIVATION_REQUIRED is False. Adds documentation in settings.rst.
Adds a note in the documentation about USERENA_SIGNIN_REDIRECT_URL.
Removes comments in settings.py
Cleaned up my spacing in views.py
Merge remote-tracking branch 'kvnn/signin_after_signup' into feature/signin_after_signup
Authentication if `settings.USERENA_SIGNIN_AFTER_SIGNUP=True` uses now the same syntax as in `activate`
Added test for settings.USERENA_SIGNIN_AFTER_SIGNUP`
Add signin after signup setting