Merge pull request #2525 from rtfd/upgrade-django

Upgrade to latest point release

Author: ericholscher

requirements/pip.txt

@@ -6,7 +6,7 @@ Sphinx==1.3.5
 Pygments==2.0.2
 mkdocs==0.14.0
 git+https://github.com/rtfd/readthedocs-build.git@db4ad19df4f432bfbbd56d05964c58b6634356f3#egg=readthedocs-build-2.0.6.dev
-django==1.8.3
+django==1.8.16
 
 django-tastypie==0.12.2
 django-haystack==2.5.0