b752f12121
* Removed {% load url from future %}, deprecated in 1.7 removed
in 1.9. See [1]
* Removed urlpatterns() from url file. Deprecated 1.8 removed
1.10. See [2]
* django 1.9+ overextends builtins need adding to settings,
but 1.10+ we can use native django features. Will remove
overextends when we drop support for anything less than django 1.11
[1] https://docs.djangoproject.com/en/1.9/releases/1.7/#loading-ssi-and-url-template-tags-from-future-library
[2] https://docs.djangoproject.com/en/1.10/releases/1.8/#django-conf-urls-patterns
Change-Id: Ief7dc4d5025284b0fc26a6386c1c41e0d701fe23