Take into account the new django branch model
Update django-reversion version in requirements
Restore Django 1.4 compatibility
Allow failures on django 1.6 tests
Always use Page as revision-ed object
Added requirements for selenium+django 1.6
Django 1.6 compatible requirements
Import fixes
Fix new Model.save_base() signature
Move Django version checking to cms.utils.compat module
Temporary switch test requirements
Fix typo
Fix requirements
Fix query counting tests for django 1.6.
Fix typo introduced in 7715bc7.

This was stopping kwargs from being passed correctly
to a superclass.
Add psycopg2 to django 1.6 test requirements.
Switch to mainline hvad
Exclude Python 3.3 / Django 1.6 / MySQL from build matrix as mysql-python doesn't support Python 3 ATM.
Switch to stable django 1.6
Remove Django 1.6 from allow failures