TNL-5161

TNL-5168

Adds cohorts as valid bulk email targets.

TNL-4651

TNL-4356

Allows multiple bulk email targets to be specified at once.

-The previous "All" option has been split into "Staff" and "Learners"
-The backend changes made here lay the groundwork for cohort emailing
-The data migration, 0005, is somewhat large and requires deploy attention
-Tests have been updated
-Numerous safe-commit-linter fixes are included

Fix syntax error in selectors

.attr() now returns a string (though it can still be passed an integer)

Fixes checkbox test failures

Remove remaining references to jquery.min (in wrong folder)

$.ajax now returns 422 if type is json and body is not JSON, e.g. ''

Substitute prop for attr

Remove references to jquery.min, add jquery.migrate (again)

"Fix" jquery karma config

This wasn't suppoed to survive the merge

This throws an error when called with an 'undefined' error

Fix Karma warning about [re|un]loading the window

Fix path for jquery in cms-squire tests

Move jasmine.clock.uninstall() to afterEach so it runs even on failure

Fix test failing due to timezone issues

Do the timeout before the window scrolling (so handler will not be _.throttled)

Fix an alert() triggered by window.onBeforeUnload while testing in Chrome

Don't use symlinks to include node_modules

Fix incorrectly scoped selector.

isRejected is deprecated.

Actually serve the slick library in LMS jasmine tests

customwmd doesn't need to wait for DOM ready event

... In order to define a class and extend the Markdown class.

FEDX-25

FEDX-24

Conflicts:
	lms/djangoapps/instructor/tests/test_api.py
	lms/djangoapps/instructor/utils.py
	lms/djangoapps/instructor/views/api.py
	lms/djangoapps/instructor/views/api_urls.py
	lms/djangoapps/instructor/views/instructor_dashboard.py
	lms/djangoapps/instructor_task/api.py
	lms/djangoapps/instructor_task/tasks.py
	lms/djangoapps/instructor_task/tasks_helper.py
	lms/djangoapps/instructor_task/tests/test_api.py
	lms/djangoapps/instructor_task/tests/test_tasks.py
	lms/djangoapps/instructor_task/tests/test_tasks_helper.py
	lms/envs/aws.py
	lms/envs/common.py
	lms/static/coffee/src/instructor_dashboard/data_download.coffee
	lms/templates/instructor/instructor_dashboard_2/data_download.html

  - Corrected the direction of the English equations
  - TNL-3798: Removed the greek letters
  - The equal (=) button is now the default submit button in the calculator, instead of the help button
  - TNL-3798: Removed the subscript note
  - Added some comments for the translators in the calculator
  - Using `fixed` position for the calculator for best mobile/desktop look

These endpoints (`edit_circuit` and `save_circuit`) had already been
commented out of `urls.py`, so these views were disabled.

Following have been done
1- Change the structure of the course navigation Menu HTML
2- Add some basic styling
3- Add basic JS for html rendering
4- Update tests according to new structure

AC-76