Don't use the working tree as storage for test-created files.

Squashed and tests passed - merging.

Conflicts:
	common/lib/xmodule/xmodule/xml_module.py

Fix empty promise. It was always evaluating to true.

Clee/ma 169 ma 77

Release

MA-77 Automatically adds the course id to the videos in VAL
when a course is rerun.

Benp/add markdown tests

This addresses TNL-1808 (and likely other flaky tests
in this area).

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default discussion modules' discussion_id field to xblock's UNIQUE_FIELD...

update bokchoy with fix for TNL-1770

Fix whitespace

MA-169 Mobile api now calls for mobile_low (default), mobile_high,
 and youtube profiles instead of only mobile_low.

Clean up transactional behavior in User API

Don't mix tabs and spaces!

ECOM-1198: Login/Registration page can skip track selection.

Add querystring param "course_mode" to the login/registration
page so the user can skip track selection.

This supports upcoming changes to the course details page
that allow the user to choose the track when clicking
"enroll", which will replace the functionality of the track
selection page.

adds additional context for SR users and corrects heading order

wait for both window.MathJax and window.MathJax.onReady