Also moved all static styling to SCSS.

If end time is specified (which means that there is also a start time), we
add an extra DOM element to the slider that will show the are in time between
start time and end time. Unfortunately, this visual aid will become available
ony after start of playback. This is because until then we don't know the length
of the video.

Add Timed Transcripts Editor.

Jbau/coe sanitize with bleach

Change checklist URL.

Add cache-based locking to subtasks to ensure that the same task is not ...

Add cache-based locking to subtasks to ensure that the same task is not running in two workers at the same time.

optimize keyboard focus management on dashboard's modals

LMS: FIX - Resolves path to CSS assets on password reset views (resolves LMS-1357)

Fixed a bug where legacy instructor dash's email editor failed to load

add license to a11y_tools.js

add tests, some reorganization of js tests

skip "toBeFocused" tests for now

adding gunicorn to base requirements

Jarv/static root

Parse locator url better

VersionConflictError just has version as 2nd arg
Routines wanting to create an up-to-date locator shouldn't count on constructor to override version

Use known translation if exists to get groupname

Add synchronization logic to fill, check, and select in acceptance tests.

They were incorrect if there were periods in the org or name.

password reset pages use Django templates, not Mako