EDUCATOR-852: Add filtering, sorting, pagination to course_summaries/ and create course_totals/

Add filtering, sorting, searching, pagination, and caching to
course_summaries.

Introduce new endpoint course_totals.

Bump API version from v0 to v1.

EDUCATOR-852

* Order CourseProgramMetadata by program_id

* Add programs tests for multi-course programs

* Fix linting errors

* Nevermind, just ignore it

Remove limit on HTTP request parameter count

Fixes bug where course_summaries/ gives a 400 because more course IDs
were being passed in than allowed.

EDUCATOR-464: Add POST method to course_summaries/

POST method allows large number of course ID arguments to be passed as
data, while GET method is restricted by URL length.

EDUCATOR-464

EDUCATOR-604: Fix course_summaries/ and programs/ to expect correct query param

Fix course_summaries/ to expect 'course_ids' instead of 'ids'.
Fix programs/ to expect 'program_ids' instead of 'ids'.
Fix tests to reflect these changes.

EDUCATOR-604

Patch bump to django.

EDU-153

Fix course summaries query arg to use course_ids.

* upgraded django and other packages

Patch upgrade to django.

* Add programs endpoint & programs list to summaries

* Exclude programs array from the course_summaries

* Add/fix tests, program field exclude option

* Refactor common list view code into APIListView

* Fix some pylint errors

* Fix bad import

* Use assertListEqual and sort lists first

* Refactor common test code into mixin

* Increase test coverage (test add_programs)

* Add documentation for programs query arg

* Address PR comments

Make ElasticSearch aggregate search results size configurable

AGGREGATE_PAGE_SIZE defaults to 10, which matches the elasticsearch_dsl default.

* Add exception arg to handler404 function signature

* Use the underscore var for unused exception arg

* Make exception arg an unused keyword arg

Change edx-django-release-util version.

* Replace "Starting Soon" -> "Upcoming" availability

"Starting Soon" is still stored in the database, but it is collapsed into
the "Upcoming" category in the API view response.

* Test that Starting Soon is unioned with Upcoming

Update openedx.yaml to reference master branch

We no longer use the "release" branch

Use old-style course ID for fake data in Travis

Also change option name course_id to course-id to consistently use hyphens in
option parameters.

Add --no-videos option to generate_fake_course_data command

Add "analyticsapi" to local ALLOWED_HOSTS setting

Also fix a spelling mistake for default course-id value in
generate_fake_course_data.py script.

AN-7775 Generate local video data

Document manual OAuth steps in README. Add clients/utils.py to
analyticsdataserver with tests.