Select changes from cinqi and TankTopTV forks
select changes from wyattjoh/django-invitation
select changes from stringfellow/django-invitation
Abstraction everything

Registration backend, key creation, token generation, invitation
delivery, invite form.  Should provide a whole lot more flexibility for
customization
Wire up signals, refactor delivery backend a bit
missed this one
some minor refactoring and cleanup
Some nifty management commands from Kaleo
finish swapping out invitations_remaining
python 3 time
South is out, django 1.7 is in, closer to pep8
fix tests, pass tests
social account adapter for allauth
phone number is out, groups is in
better error condition messages
split out account and social account backends
some pep8 and test fixes