Travis: fix Python 2.6 Django 1.7 exclude
Travis: fix Python 2.6 Django 1.7 exclude

jpotterm/django-fluent-contents,django-fluent/django-fluent-contents,django-fluent/django-fluent-contents,edoburu/django-fluent-contents,ixc/django-fluent-contents,edoburu/django-fluent-contents,jpotterm/django-fluent-contents,ixc/django-fluent-contents,ixc/django-fluent-contents,jpotterm/django-fluent-contents,edoburu/django-fluent-contents,django-fluent/django-fluent-contents