Updated .travis.yml to include django-1.7
PEP-8 corrections due to travis-ci failures.
Fixed import failure of importlib on python 2.6.
Excluded python 2.6 from testing with django 1.7.
Updated .travis.yml.
Updated .travis.yml.
Updated .travis.yml.
Updated .travis.yml.
Changed to ugettext_lazy.
Deleted references to the User model at import time.
PEP-8 corrections due to travis-ci failures.