Instead, use a class attribute to define test behavior. This allows for
easier addition of new mixins over time.

TNL-4296

- Icon images can be uploaded from the django admin
- Test coverage improved

- Icon images can be uploaded from the django admin
- Test coverage improved

Available backends:

* django-oauth-toolkit (DOT)
* django-oauth2-provider (DOP)

* Use provided client ID to select backend for
  * AccessToken requests
  * third party auth-token exchange
* Create adapters to isolate library-dependent functionality
* Handle django-oauth-toolkit tokens in edX DRF authenticator class

MA-1998
MA-2000

Cleaner, and keeps pylint happy

This reverts commit a020464a.

The python social auth SAML page returns a 500 response when accessed
without the 'idp' query param. It should redirect to the login page if
the param is missing.

SOL-1550

There's no need to use a string literal in setattr, delattr, or the
two-argument form of getattr.

https://docs.djangoproject.com/en/1.8/howto/custom-management-commands/

Django intercepts the 'pull' argument and says "unrecognized arguments pull"
There were no tests for this command, so it wasn't noticed during the
upgrade testing, only once our integration monitoring noticed.

Please note that this is a squshed commit and the work of:
Symbolist, macdiesel, nedbat, doctoryes, muzaffaryousaf and muhammad-ammar

Make escaping for json simpler and more consistent in Mako templates
- add escape_json_dumps to escape and json.dumps
- add escape_js_str to escape javascript string
- refactor Studio to use escape_json_dumps in Mako templates

TNL-2646: Escape json.dumps

This mapping API enables the mapping between the edX user ID and the ID
provided by identity provider (IdP). For details, please see
https://github.com/edx/edx-platform/pull/9842

Also remove useless docstrings where they were added to keep pylint
quiet.

Wrap 3rd Party Auth Pipeline with Segment enabled checks

ECOM-2044

PR #8930