ENT-1052 Rename enterprise customer catalog uuid in queryparam to catalog

Remove course_structures app (part 1)

inactive enrollments in support tool

Pin pylint-plugin-utils until we move to python 3.

Improve search error messages

the plugin has abandonned support for python 2 so functionality is not
guaranteed in future upgrades.

Remove flaky video test.

Upgrade to the latest Django 1.11 + `make upgrade`

This test failed on commit 7083797c even though
that change has nothing to do with the video tests.

Django 1.11 Changelog - https://docs.djangoproject.com/en/2.0/releases/1.11.14/

bokchoy conversion of advanced settings - Part1

Remove copied toolbar asset from edx.org theme.

LEARNER-4744

Screen reader issue with structure of LMS course outline

Update translations 2 july

Merge pull request #18494 from edx/testeng/bokchoy_auto_cache_update_9ab88d82af61d5b09c4e3829b463c3ed30641df6

Bokchoy db cache update

TE-2629 Use better field type for applicationaccess.application

Remove NPM install for unittest runs

This resolves VPC-122 and OPS-56

ENT-1052 discount by enterprise catalog

Enable Grades and Certificates APIs to enforce OAuth Scopes