chore(controller): update Django to 1.6.5 security release

https://www.djangoproject.com/weblog/2014/may/14/security-releases-issued/
chore(controller): update South to 1.0 final release

http://south.readthedocs.org/en/latest/releasenotes/1.0.html
Merge pull request #1248 from deis/update-django-and-south

chore(controller): update django and south