This also introduces a model for persisting organization-based filters on
a per-application basis. See openedx/core/djangoapps/oauth_dispatch/docs/decisions/0007-include-organizations-in-tokens.rst
for additional details.

This reverts commit 9a70ca78, reversing
changes made to efd5b9ab.

Hopefully fixes EDUCATOR-3053

It seems to have broken tests.

This reverts commit 18d93b00.

Reapplies edx/edx-platform#17509

This reverts commit 0f7e2373.

Update old transcripts metadata present in video xml with the new transcripts for backward compatibility.

added unit tests

updated edx-ace version

fixed quality violations

Fixed quality violations

Changed ACEMessageType to BaseMessageType

Use backoff when calling Sailthru API to retry upon optout timeouts.

Bumps xblock-utils to v1.1.1
Bumps xblock-drag-and-drop-v2 to v2.1.6