The checks are now within the Python API instead of the DRF view. This
will be necessary for certain operations (like fetching/editing threads)
because the relevant course cannot be known until the thread is fetched
from the comments service. This commit updates the existing endpoints to
fit that pattern.

add exit status back

ECOM-986 updated class being used by JS for carats to use classes bei…

add self to author file

ECOM-986 updated class being used by JS for carats to use classes being loaded on the page via lms-style-course-vendor.css

Add pointers to guidelines of specific concern.

Update bok-choy version to the latest release

add troubleshooting for logging into stage to release script

Implement the Weighted Problem Grade Report

Merge release into master

* Handle grading errors

LMS/Studio: Sass Build Files to Reduce Compilation Redundancy

ECOM-1531 adding the fake-page for softwar secure.

TNL-1988

API Layer.

Update version of bok-choy.

Update schoolyourself-xblock to the latest version

Conflicts:
	requirements/edx/github.txt

Fix type field in thread list endpoint

Look for a consistent css class.

Update schoolyourself-xblock to the latest version, which contains 1 commit with a cosmetic change: https://github.com/schoolyourself/schoolyourself-xblock/commit/5e4d37716e3e72640e832e961f7cc0d38d4ec47b

Add fields to threads returned by Discussion API thread list endpoint

The former class, while less-flaky, does not always appear. (For example, if cohorts
are being toggled off.) This css class always appears. Initial findings point to
flakiness being a non-issue if we look for this class.

LMS/Studio: Remove Manual Sass/CSS extend files - Take 2

Add MetricsMixin back into DescriptorSystem and ModuleSystem