Run 1.6 tests on Travis as well.
Run 1.6 tests on Travis as well.

iXioN/django-all-access,vyscond/django-all-access,mlavin/django-all-access,dpoirier/django-all-access,iXioN/django-all-access,mlavin/django-all-access,dpoirier/django-all-access,vyscond/django-all-access