Adds all HTML5 sources to the returned video API data

Update studio-frontend to 0.6.1

student_view_data.

Added to both places because the iOS app uses both APIs data to provide
downloadable videos.

Merge pull request #16822 from edx/tasawer/learner-3165/fix-error-logging-on-program-certificate-error

update logging in award program certificate task 

Add search box to CourseEnrollmentAllowed admin interface.

Removing debugging

Updating xblock-review version to include commit for being more defen…

Fix styling on the popover.

Fixing correctness text so it doesn't match 'correct' in the word 'correctness' causing my tests to fail. This should be improved soon

Educator 1552 Implement roving tabindex for WYSIWYG editor for discussions

Updating xblock-review version to include commit for being more defensive about score field in the state of a problem

LEARNER-3469 - More registration form cleanup.

Update studio-frontend to 0.6.0

Verify 'Full Name' field does not allow HTML in Signup form

raise zendesk_proxy rate limit

Implement journeys app banner.

'Full Name' field in the signup form is allowing HTML as an input
which makes spoofing easily.To avoid it, validation is added
that will ensure 'Full Name' field does not allow HTML.

LEARNER-3385

Banners will enable the deep linking functionality for
mobile apps.

LEARNER-2731

Update account settings page for enterprise learners

ENT-762

update edx-organizations version to 0.4.9

Allow users to fulfill entitlements and change enrollments from the course dashboard.

Schedules: Fix hold back error

Fix video transcript model import before Django initialization occurs.

Also add try/except that prevents enroll failure caused by Schedule creation
exception in the future.

Address PR comments

Split one-line docstrings on their own line

Add period to the end of docstring summaries

Use kwargs.get to be more defensive

Disable pylint unused-argument about sender param

The user can now enroll in a session, unenroll from a session or change session
from a new course enrollment card on the course dashboard.

Aj/entitlement session backend

Lower pylint threshold to just above what it is on master