* Don't show sidebar if only one language is present
* only add in the default language code if it's not already present

instead of the current language.

Also, refactor tests such that we're not deleting users or prefs

Will pass once the language persistence stuff gets merged in

Tests language selection feature for student dashboard

Added space between counts on staff grading panel.

ORA-294

Video: Fix download transcript behavior.

Let a Studio user export course to git (and via git, to elsewhere, eg LMS)

Clean up of modulestore references (primarily LMS).

Removed default background image for home and courses pages

Check for forum data errors in LMS

Some messages generated by the comments service are not readily
translated because they come from third-party libraries. Thus, we plan
to try to avoid showing any comments service generated message to the
user. This check preempts the only end-user-visible CS-generated error
message that we are presently aware of.

Update translator documentation

Release

Small tweak to early-translation fix docs

Add acceptance tests of the Acid block in both LMS and Studio

[LMS-1645]
[LMS-2062]
[LMS-2063]
[LMS-2064]

Add labels to CAPA inputtypes.
LMS-1895

in studio.
LMS-1895 and others

All forward facing wording changed to Export to Git
Export to git functions removed from management command and put in common file
Additional error checking and documentation improvements
Nitpicks and other minor fixes