Update badges in README.
Added compatibility for the custom user model.

This should fix the issue in which the error message doesn't correctly
string substitute the name of the username field as changed in Django
1.5.
Changed the order of imports: "from django.conf.urls" to avoid DepreciationWarning.
No longer require django.contrib.sites
No longer require django.contrib.sites
Add support for wheels. (Shoutout to @meshy for pythonwheels.com)
Update Django versions for TravisCI.
add i18n support
add ru translation
:sparkles: Python 3! :sparkles:
Fix typo and add django version notice to testing docs.
Add coveralls and bitdeli badgae. You know, just for kicks.
Install requirements.txt on TravisCI.
Enforce the Django version.
Switching to python-coveralls because it lets you specify the coverage file.
Hide navigation when logged in
Fix failing test
Spanish Translation for django-admin-honeypot.
Switch to py.test for tests.
Missing python-coveralls dependency for travis.