Django 1.6 compatibility fix. Auth views' redirects are explicitly specified now.

Author: kubaz93 https://bitbucket.org/kubaz93

Description: In Django 1.6 auth views are reversed by name, not by path, so I explicitly specified redirects where it's needed.

URL: https://bitbucket.org/ubernostrum/django-registration/pull-request/63/django-16-compatibility-fix-auth-views/