Problem was when we added a problem with
empty string as an answer it created the problem instead of throwing an excpetion

A test added to check that and exception is thrown when a problem is
being created with empty string as an answer.

A test is removed which used to test that problem should be graded incorrect if blank space is chosen as answer.

AC-473 fixing width of closed captions in fullscreen

Clean up the help tab Sass included on Pattern Library pages

* Initial lms changes for Sailthru

* Fix identified code quality issues

* Fix migration failure

* Fix code quality identified issue

Fix 500 error when searching for a user without catalogs.

Update translations (autogenerated message)

Use cached data to find completed programs on LMS

ECOM-4653

Enable randomization (but not concurrency) in LMS unit tests

Dont leak current requests in tests

Update translations (autogenerated message)

Use v0.3.2 of i18n_tools

Use a contextmanager to cleanup after manipulating the current request in create_account tests for external auth

Use a contextmanager to cleanup after manipulating the current request in password_policy tests for external auth

These changes improve the performance of the LMS' program certification task. They also reduce strain on the programs service, especially when attempting to award program certificates to large numbers of students. ECOM-4490.

Correct destination of management command args.

enforce display name in CAPA problems

FEDX-198

* Initial commit of Sailthru lms changes

* Field mapping changes for Sailthru integration

* Merge fix

* Add users to Sailthru list on registration

* FIx minor code format issues

* Several updates based on code review feedback

* Updates based on recomendations from Sailthru

* Clean up unit tests

* Fix last login

* Updates based on code review feedback

* Updates based on code review feedback

* Fix comment

* Cleanup

Use the Django TestClient for external_auth shib unit tests, so that middleware is cleaned up properly

Reset current language after discussion tests, so that other language…