Fixed Long discussion post not rendering Latex expressions

Updated Styling for course references in discussion forum posts

Put CCX URLs behind their feature flag

hard start/stop times to video player

- Moved the CCX URLS into their django app.

Remove nested form elements

Increase timeout for library page to load after refresh in acceptance tests

TNL-1902

ECOM-1420 adding new field and migration file.

Fixed Embargo Bug in Enrollment API

This issue was not found sooner because the test helper used only tested for GeoIP embargoes, and neglected the user profile. An additional test has been added to test for embargoes against the country assigned to the user's profile. Additionally, variable names have been cleaned up--user replaced with username--to avoid confusion in the future.

Fix for TNL-1639

Enable OAuth token exchange only if OAuth provider

This is invalid HTML

Escape curly quotes in release page table

This pull request makes the video player module respect
the video start/stop times specified by the instructor
as a hard start/stops, i.e. the video treats the start
time as the beginning of the video and the stop time as
the end.

Previously, the video module displayed the full
video and displayed a jquery ui slider range representing
the start and end times.

This new functionality invalidates two previous acceptance
tests for the video module:

    - slider visible test
    - finish time video acceptance test.

These tests are removed from the common acceptance tests.

Revert hotfix for PLAT-452

Release

(SOL-531)(SOL-532) Course Cards update on the homepage; 

show error message to user on photo reverification page if Flash not fou...

(SOL-531)(SOL-532)Course Cards update; A link to course discovery page has been added to the OpenEdX homepage

ECOM-1355

Added name to the authors list

MA-318, change edx video id to video id

Add course-specific URL overrides for social sharing icons on student da...

- sharing enabled for custom URLs only if URL actually specified

SOL-570 Remove djangotracker from common imports - merging