styling for recursive xblock rendering structure to be used in the container page, pulling from general xblock styles in a separate file.

updated container header styling and exposed sidebar back to its location. includes some javascript to render tooltips on overflowed text headers

Remove unused massemail commands.

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

Added tests
Converted scripts to django commands
Removed advanced module requirement
Generalized to platform
Switched to subprocess for shell commands
Beefed up resiliency and error checking.
Refactored since #1910 removed get_location_and_verify_access
Added settings to aws for export directory and reworked test setup and teardown
Several review based fixes
Added line to Changelog
Changed URL handler to be accepting and moved git bare repo inside of test_root/data
Added exception logging to help trace issues
Added output in exception logging
Made the branch to commit to explicit instead of implicit
Skipping git identity test on condition of global configuration set

Acceptance test for STUD-1311.

fix bug where uploading a transcript against a HTML5 video which contains a period in the video filename causes the transcript filename to be improperly constructed

Added feature setting to disable histograms in Staff Debug Info panel.

Fix for saving video in studio when saving position. BLD-834

Added feature setting 'DISPLAY_HISTOGRAMS_TO_STAFF' to configure display of histograms in Staff Debug Info panel.

Generating histograms requires scanning the courseware_studentmodule table on
each view. This can make staff access to courseware very slow on large courses.

Default is False.

LMS-1199

Renamed feature setting 'DISPLAY_HISTOGRAMS_TO_STAFF' to 'DISPLAY_DEBUG_INFO_TO_STAFF' to better communicate its purpose.

Default is True.

LMS-1199

Removed unused image