unicode_literals everything, add tox configuration for running the tests with Python 3.2
Remove "u" string prefixes
Django 1.7's get_model raises instead of returning None
Hack for running tests with Django 1.7, add a note to a failing test
Add Python 3.2 to .travis.yml
Add a trove classifier for Python 3.2

[ci skip]
Merge pull request #506 from matthiask/mk/py32

Python 3.2 support.
Also run flake8 on travis CI