For large courses this causes export to take a long time and to time out.

LMS-2747

Opaque keys

Dhm/no package

Updates to problem location for opaque keys

Cheatsheet visibility code refactored.

Updated changelog

Fix gen_cert_report to use CourseKeys.

copied from LMS aws_migrate settings

Clytwynec/rake2paver quality take2

Redirect most studio access through draft modulestore

Make SPOC gradebook an API feature

Add some missing AUTHORS

rather than have caller figure out whether to call draft or direct.
Fixes get_children to always find draft children in studio.
STUD-1662

rather than just hacked in to the instructor_dashboard base file.
Also move the tests from the legacy implementation to the new dash API implementation.

Remove Video player outline.

Remove some outdated code.

i18n: Make XBlock buttons & components have localizable display names

i18n: Fix an i18n string extraction problem in 02_html5_video.js

Bok-Choy Video Time Tests

Fix youtube regular expression in video player editor

Replace a string concation to a single string to prevent the partial extraction of the string.

1. Current code uses type name as the display names for XBlock buttons, so the name of these five buttons can't be localized. This fix contains code that adds a 'display_name' field for the buttons, and makes their names localizable.
2. The display names of components in advanced, html and problem types can be localized now.

i18n: More extractable & localizable strings in xmodules

Video: refactor volume control.

Fix quality violations from opaque-keys

Add the needed wait for ajax statements to checklist acceptance test methods

Add 'roles' endpoint to user_api