fixes bug 914305 - Update to Django 1.4.10

Anybody r? 
This is more a formality thing. The only change from 1.4.8 to 1.4.10 is if you store passwords on `django.contrib.auth.models.User` which we don't. 
Also 1.4.10 is a long-term support (LTS) release so it's a good place to be.