Including documentation on the settings added by the proejct.
Longer overview documentation mostly taken from the README content.
Move most of the backend customization documentation out of the README and into docs/backends.
Pulling version from the app __init__ for the docs configuration.
Adding tox environments for 1.2,1.6 and current master. Currently failing on Python 3 and Django 1.2
Add Travis CI configuration to run tox tests.
Drop the claim of Django 1.2 support. Looks like just a test issue but Django 1.2 is out of security fixes and this isn't worth investigating.
Use unicode_literals through out the code and remove existing u prefixes. Import reduce from functools as it is no longer a built-in for Python 3.
Fix email.utils import for Python 3. All tests passing on Python 3.
Add release note about Python 3 support.
Update PyPi classifiers to include Python 3 support.
Add notes on supported Django versions and deprecation policy related to upcoming 1.0 release.