Use celeryutils in edx-platform

TNL-6294

* Use external celery_utils in edx-platform (TNL-6454)
* Remove old openedx.core celery_utils implementation.

Added unique constraint on email

added ttl setting

Fix more wiki a11y issues

ECOM-7085

TNL-6440, TNL-6439

only show nav utils if populated

Aj/tnl 6381 upsell msg

TNL-6381

[ENT-101] Add course-specific data sharing consent hooks for Enterprise app

Finish transition to catalog for program data

Updates Mako and Underscore templates as well as Backbone models and views so they work with catalog programs. Removes all remaining response munging from the back end.

ECOM-4422

Add consent check to course access prerequisites; add utility functions to provide interface to course-specific consent in Enterprise app

Bump xblock-vectordraw to 0.2.1.

un-skip video tests.

Discussion thread bring focus to response list after submitting a response or comment

request-cache grades feature flag to avoid 400+ memcached hits

Add new relic parameters to grades task

add course and user id to library content assigned

Upgrade New Relic plugin

pa11ycrawler v1.5.8 runnable in devstack

improve docstrings for newrelic_custom_metrics middleware

Load all programs from the catalog

User deactivation endpoint should use JWT auth.

We're seeing an error in sending to the collector, there are also
a number of changes.
https://docs.newrelic.com/docs/release-notes/agent-release-notes/python-release-notes

This commit contains back end changes necessary to load programs from the catalog in all contexts. The existing program munging utility is applied as late as possible to avoid conflating this work with changes to the front end; those will be made separately.

ECOM-4422

[pa11ycrawler] enable load_courses from CLI

force pa11ycrawler to run

[pa11ycrawler] bump version to 1.5.5

move around some paver opts

crawl -> test

bump to v1.5.8

let's stick to crawl for now

Changing dash to underscore in skip-fetch

revert a couple of options

add back $RUN_PA11YCRAWLER check

Additional comments in this commit clarifies an additional use-case for
the newrelic_custom_metrics.accumulate function: reporting a metric
without accumulation.  Also:

* Fixes docstring style to use the "google" style.
* Adds link to custom metrics table in the wiki in an attempt to help
  keep the tables in sync with the code.
* Inserts a TODO.
* other typos.

WL-931 Allow for customization of course email template at the organization level