There's a lot of useful things in PR #8271 that provide a framework
for the comprehensive theming system. If we need to remove the edx.org
theme from the codebase, we can leave most of PR #8271 in, to make it
easier to build on top of and get this feature back in.

A script to summarize nosetests.xml files

Added autospec=True to mocks being used incorrectly.

Added myself to the AUTHORS file

Styles and content adjustments for invalid cert view

Don't repeat the word 'standard'

Revert "Fix Mathjax rendering bug"

MAYN-138: Rebranding Help tab didn't work

Segment Clean Up

Bump version of segemnt's analytics-python package to 1.1.0

Merge patch/2015-09-22 (Django rest framework) to master

SOL-1190: line breaks in signatory title are not reflected in the cert

reverting the changes sent in PR#9925

The tests now fail!

Revert "Merge DRF 3.1 in to master"

Merge DRF 3.1 in to master

Preserve DRF v2 behavior of defaulting to None
for missing keys in the grading policy dictionary.

* Upgrade edx-submissions
* Upgrade edx-ora2
* Upgrade edx-val
* Upgrade edx-proctoring
* Update all edx-platform code that depends on DRF, including:
  - auth_exchange
  - cors_csrf
  - embargo
  - enrollment
  - util
  - commerce
  - course_structure
  - discussion_api
  - mobile_api
  - notifier_api
  - teams
  - credit
  - profile_images
  - user_api
  - lib/api (OAuth2 and pagination)

bump version of edx-proctoring to 0.9.11

Patch: Upgrade djangorestframework to v3.1

Merging hotfix 2015-09-24 back in to master

SOL-1189: when a signature image file is uploaded, the preview image looks distorted

MAYN-131: Update Unsupported Browser message

Discussion post cleanup (in preparation for post author images support)

Prevent publish orphans