TNL-1146

TNL-1146

get the raw DescriptorSystem, not the CombinedSystem when instantiating xmodules (TNL-1226)

quality fixes

remove trailing comma

TNL-1362

Fix link stylings in LMS and CMS footers

[OPEN-444]

This fixes two bugs:
1. All statuses were listed as "Unknown"
2. Non-ASCII characters in a header column translation resulted in a 500

This reverts commit 1d6fceda.

Respond to review comments:

- Rename build and config files for consistency between lms/studio.
- Fix merge conflicts with lms require config.
- Devstack uses optimized pipeline to skip require JS optimizer step
- Add tests for render_require_js_path_overrides

Fix i18n for video status strings (broken in commit 4b53f4df) and remove
unnecessary complexity from a test case. This also removes the status
whitelist in the video upload configuration. Because status is included
in the CSV report, it is not necessary to filter the included videos by
status.

TNL-1142

Several IE bugs have been fixed in 2.4.

returns XBlockuser with 2 data layers

path.py objects report themselves as class objects, which confuses the heck out of
pylint. It tries to match variable names using the class-rgx regular expression
instead of the constant-rgx regular expression, and it doesn't match, so it
throws an error. Not sure how to fix pylint, so we'll just ignore these errors.

TNL-935

Possibly caused by a bad merge.

TNL-1137

TNL-653