Update Travis CI for Django 1.7.
Update Travis CI for Django 1.7.

jlemaes/django-photologue,RossLYoung/django-photologue,RossLYoung/django-photologue,rmaceissoft/django-photologue,jlemaes/django-photologue,jlemaes/django-photologue,rmaceissoft/django-photologue,rmaceissoft/django-photologue,RossLYoung/django-photologue