Django 1.8 altered and deprecated the existing pattern for defining
URLs. This will be removed in 1.10, meaning that many deprecation
warnings show up under Django 1.9. We should fix the URLs promptly to
avoid logspam, and to support Django 1.10 in Newton.
See
https://docs.djangoproject.com/en/1.9/releases/1.8/#django-conf-urls-patterns
Change-Id: Ieea8e1058c833be07c57e5949d4c5f614359a1ea
Partially-Implements: blueprint dj110