The previous override of save_model() was largely unnecessary and broke because it attempts to set m2m fields on unsaved models. The override now relies on the super method (which performs the correct behavior) and simply does error handling.

Our use of Select2 has also been cleaned up to make our monkey patching clearer.

ECOM-6238

- Displaying included course runs on individual lines
- Moved import to correct position

ECOM-6238

Fix the LMS example URL

Implement the emails for course run change states.

Adding templates and email functionality.

ECOM-6004

Implement the super admin for publisher app using django groups.

ECOM-5950

Implementing emails sending functionality.

On each comment send the email to course-related group users.
Adding test cases and methods.

ECOM-5929

ECOM-5040 Search in Mobile

ECOM-5040

Line numbers in PO files are noisy in pull requests. This commit updates the Makefile to use edx-i18n-tools to extract translations and remove line numbers.

Additionally, a few uses of `blocktrans` have been updated to use the `trimmed` argument to remove surrounding whitespace.

ECOM-5175

ECOM-5765

The UserFactory now generates an email address and name—full, first, and last—for every user.

ECOM-5929

Awais786/ecom 6003 course cleanup

Add taggit field for keywords.

ECOM-6003

Try again to fix migrations

Fix migrations issue

Added email notification ON/OFF switch.

ECOM-5408

Small fixes to weeks to complete PR

ECOM-5946 Allow course length in program to be represented as a range of weeks

ECOM-5946,ECOM-6019,ECOM-6020,ECOM-6021,ECOM-6024

Update Search Indexer to exclude unpublished programs

ECOM-5729

Exclude when nested unpublished programs are under course runs on course run search endpoint.

ECOM-6147

Ecom 5435 django ses

Integrating django-ses for sending emails

Installing the django-ses from production.py.
Updating the required authentication variable for sending emails ( using discovery configuration ).
Add an example of required credentials in private.py.example.

Addressing PR comments

Comments about testing query counts and view perspective on functionality added.

ECOM-6145

ECOM-5680 Sortable organizations in admin program form

ECOM-5680

Exclude unpublished programs from the course run endpoint

We currently include unpublished programs on the course run endpoint by default.  This change will change that default behavior
so that unpublished programs aren't presented unless the 'include_unpublished_programs' flag is set as a query string parameter.

ECOM-6013

Add swagger comments for the get call view as well