Cale/rc merge branch

Retry on all exceptions on failed subsection grade update

Merge Release into Master

This access pattern was wrong, and was causing errors in production. I've
included an additional happy-path test.

Happy New Year

Merge Release candidate into Release

Change CourseTeamMembership emit to use proper id

This reverts commit 04f87694, reversing
changes made to 4b196d42.

New jsinput example problem

Remove flaky decorator from test_capa_module

Give the bok choy server more time to start up

Add course_name to enrollment api responses

Also remove unused empty jsinput_css.css.

I missed these files the first time around.

TNL-5893

Add /me endpoint for retrieving own username when logged in.

Update translations (autogenerated message)

Use the system version of Firefox

Merge pull request #14271 from edx/release-candidate

Discussion hide Add a Response button response count if zero other responses in an answered question

Move Sequence coffee files to JS

Increased number of retries, as it is expected that sometimes
a seed will be reused. TNL-6041

Merge Release candidate into release

Use the system version of firefox for running test.

It's always bugged me that the help strings were nonsensical

fix auto enroll var mistake

Remove Sailthru enrollment related signal handlers 

ECOM-5936

Error while exporting course with too long filename