Add MIGRATION_MODULES to default settings
Add Django 1.7 to Travis. Use django CMS from PyPi in tox
Use different migration modules for django CMS depending on Django and django CMS version
Call django.setup() after settings for Django 1.7
Fix migrations tests to take Django 1.7 into account
Fix check command test
Exclude python 2.6 in Django 1.7
Merge pull request #8 from nephila/django_17

Django 17 support