LMS: Student Notes - Styling links to appear in highlighted text

Release

Merge feature SOL-20

MA-227 Mobile announcements sort order correction.

MA-216 Mobile API: display unreleased courses in enrollment list.

add a missing check for an undefined object

ECOM-894: Allow inactive users to request a password reset

disable DragAndDropTest

Fix shib code to handle course.enrollment_domain=None

Clytwynec/disable flaky tests

Minor fixes to the schoolyourself xblock

Internationalize error messages for password reset on the new login page.

Fixed transcript skip first line if it contains BOM(Byte Order Mark).

TNL-935

Bok Choy tests for the split payment and verification flow

(WIP) Course Entrance Exams

Adds mode creation endpoint to course_modes app and ability to bypass media device access prompt when proceeding through verification flow in a testing environment.

Ziafazal/add pre requisite course via milestones app

Install diff-cover from pypi, update version to 0.7.3

Update README link for full stack installation

Add link to sysadmin dashboard on core theme

Merge release into master

Merge pull request #6583 from edx/muhhshoaib/shoppingcart-redemption-page-cross-browser-compatibility-fix

fix the redemption page cross browser issue on safari

Fixed unicode error in CSV grade report generation.

Request the iframe API from youtube in tests every time it is needed

ECOM-887 Removed the "We have successfully verified your identity" line.