Updated to Django 1.5.3 security release.
updated to Django v1.5.4 security release

Fixes #172
Merge pull request #173 from bacongobbler/172-django-174-security-release

updated to Django v1.5.4 security release
Merge branch 'master' of github.com:opdemand/deis into application-refactor
improve code coverage on api views/models
move run_node to CM module, add container list/info endpoints, beef test coverage