Updating Django requirements to allow 1.7
Updating Django requirements to allow 1.7

Change-Id: I8348d79d7adfe728715f7883564c7b00297e988a

dan1/django_openstack_auth_proto,redhat-openstack/django_openstack_auth,dan1/django_openstack_auth_proto,redhat-openstack/django_openstack_auth