Add Tox env for Django 1.7.
Add Tox env for Django 1.7.

joar/djedi-cms,5monkeys/djedi-cms,andreif/djedi-cms,joar/djedi-cms,andreif/djedi-cms,5monkeys/djedi-cms,andreif/djedi-cms,joar/djedi-cms,5monkeys/djedi-cms