Update requirements for Django 1.7 and some bug fixes.
Add new middleware for Django 1.7, remove South settings, minor touch ups.
Admin autodiscovery isn't needed in Django 1.7. Patterns is deprecated in 1.8 so might as well stop using it now.
Remove syncdb state and update migration detection.
Merge pull request #126 from caktus/django-1.7-updates

Django 1.7 Updates