Anton/metadata time field

UX explaining inst dash email subject length (128 characters)

Change footer color in bulk email template

Disable video caption test seen to fail in master.

Require course ids to be case-insensitively unique

set courses_are_browsable flag to False, fix unicode error

Improve problems acceptance tests

Wait for js/base in CMS acceptance tests to ensure click handlers are installed

Disable test seen to fail on PRs

Translation overrides

installed.

Usefull variables for translation

Jarv/fix static root

Check for requeued subtasks when in RETRY state.

import: handle case where result has not responseText

Better indication of what mode is active in the wiki.

Add visual indicator to the interface for start/end times

Fixing merge conflicts in tests.

Setup leanModel handlers on jQuery.ready() so that the rest of the scripts get a chance to load before modals can be activated.