Removed Django 1.4 from tox tests
Removed Django 1.4 from tox tests

creafz/django-social-widgets,kbytesys/django-social-widgets,creafz/django-social-widgets,kbytesys/django-social-widgets,kbytesys/django-social-widgets,dongguangming/django-social-widgets,creafz/django-social-widgets,dongguangming/django-social-widgets,dongguangming/django-social-widgets