Gracefully degrade and avoid monkeypatching in auth support if django.contrib.auth is not present.
Gracefully degrade and avoid monkeypatching in auth support if
django.contrib.auth is not present.

Fixes Issue #28.

ekkleesia3/google-app-engine-django,dila93/google-app-engine-django,brian-zhao/google-app-engine-django,google-code-export/google-app-engine-django,termie/google-app-engine-django,hitrust/google-app-engine-django,jackxiang/google-app-engine-django