Upgrade Django 1.4 and 1.5 versions in tox
Upgrade Django 1.4 and 1.5 versions in Travis
Test against Django 1.6 in Travis
Test Django 1.6 on Py3 and test against trunk
Fix test runner for trunk
Exclude trunk tests from Python 2.6
Exclude south_migrations from coverage report
Fix migration file for Python 3.2 (and PEP8)
Add test for South ImproperlyConfigured error
Merge pull request #7 from treyhunner/update-deps

Update Django versions in tests