for TNL-6214

Also fixes issue where ORA grades were never updated, by including
them in this check.

TNL-5994
TNL-5995

for TNL-5045

Using the guideline "Course staff should have access to features related to
individual learners, but not course-wide modifications", most tools on the
student admin sub-tab of the instructor dashboard should be available to
staff as well as instructors.

TNL-5907

Remove deprecated SingleSectionGrader.  TNL-5987
Remove display_name and module_id from Scores objects
Update CourseGradeFactory.__init__ to not be user-specific
Update some callers to use CourseGrade class instead of "summary" dict
Remove no longer needed course_grades.py module.
Renamed django signal from GRADES_UPDATED to COURSE_GRADE_CHANGED

For TNL-5993

* Centralize creation of quick request objects.
* Isolate caches to individual tests to prevent test ordering
  dependencies.

TNL-5811

Makes use of the new SUBSECTION_SCORE_CHANGED signal to trigger a task that
updates persisted course grade values. We've also renamed SCORE_CHANGED to
PROBLEM_SCORE_CHANGED to head off any issues with unclear signal names.

TNL-5740

TNL-5046

For better user-facing performance, the SCORE_CHANGED signal is now handled by
enqueueing an async task to update the relevant stored grade, rather than
making the request wait until that operation finishes.

TNL-5738

This reverts commit 9aa35cd8.

Some XModules are breaking their contracts and defining has_score but not
max_score.

TNL-5715

fixes signal handling for delete student state

This reverts commit 0ea8e1b9, reversing
changes made to e3db08f1.

Potential Grades revert PR

This reverts commit e3db08f1, reversing
changes made to 51c2444d.

The interface for custom management commands changed in Django 1.8 which
caused the `compute_grades` command to stop working. In order to fix it
I added an `add_arguments` method for specifying the accepted arguments
and updated the command to allow for passing a list of courses to run
the `offline_grade_calculation` against.

This management command has been broken since before the django 1.8
upgrade, so I'm deleting it and all its tests, and updating a few
other files that used these methods but are easily refactored away.

Basic architecture of Maintenance App - SUST-19, SUST-42. Implement Force Publish Course view. SUST-46

Adds ENABLE_SUBSECTION_GRADES_SAVED feature flag to both lms and cms. Also
installs the wiring that will allow robust grades to be used for courses
that enable it. This functionality is still gated by the feature flag
and should not be used until the remaining robust grades work is finished.