Bug 1302689 - Update Django from 1.8.14 to 1.8.15
Bug 1302689 - Update Django from 1.8.14 to 1.8.15

https://www.djangoproject.com/weblog/2016/sep/26/security-releases/
https://docs.djangoproject.com/en/stable/releases/1.8.15/
https://github.com/django/django/compare/1.8.14...1.8.15

kapy2010/treeherder,tojonmz/treeherder,kapy2010/treeherder,tojonmz/treeherder,edmorley/treeherder,tojon/treeherder,tojonmz/treeherder,kapy2010/treeherder,tojonmz/treeherder,edmorley/treeherder,kapy2010/treeherder,KWierso/treeherder,KWierso/treeherder,tojonmz/treeherder,tojon/treeherder,edmorley/treeherder,KWierso/treeherder,tojon/treeherder,tojonmz/treeherder,edmorley/treeherder,KWierso/treeherder,kapy2010/treeherder,tojon/treeherder