AUTH_PROFILE_MODULE is deprecated in django 1.5

AUTH_PROFILE_MODULE was deprecated in [django 1.5](http://django.readthedocs.org/en/latest/releases/1.5.html#auth-profile-module)
Fix AUTH_PROFILE_MODULE in urls.py
Merge pull request #301 from vially/patch-1

AUTH_PROFILE_MODULE is deprecated in django 1.5