Enable course sidebar for new course home page

This prevents the LMS from requesting details for programs which the command hasn't been able to cache yet, which would throw off monitoring we'll be setting up to keep an eye on missing entries.

LEARNER-382

LEARNER-764

Re-create image set for course overview.

EDU-218

TNL-6870 Add masquerading feature for preview mode

Add course dates fragment to new sidebar

Also add it to the course home page.

LEARNER-821 -Visual adjustments to course outline

Mako should be able to render even if webpack hasn't run

Make tests and coverage work with openedx/features

Add management command for caching program data

This command requests every available program from the discovery service, writing each to its own cache entry with an indefinite expiration. It is meant to be run on a scheduled basis and should be the only code updating these cache entries.

LEARNER-382

EDUCATOR-218 – Add logging

mattdrayer/ENT-328: Update account activation message on sign-in form.

ENT-351/ENT-362 Enterprise package version bump

EDUCATOR-199 Fix ICRV broken courses

Update edx-ora2 to 1.4.0

Update comment to reflect the code in lang_pref tests

Mark test_proctored_exam_flow as flaky.

Unicode fixes for django_comment_client and request_cached decorator

Use a new external app for help tokens

Add view course button

This reverts commit 55268dec.

LEARNER-646: Resume Course button should say "Start Course" if the user has not yet started

Revert "Add view course button"