Updating settings and requirements for lms and cms to support file upload
updating ora2 version
Updating AWS settings
Unit test to demonstrate bug
Deleting a private unit should remove it from the course
STUD-1962
unicode fixes
Remove an unneeded unicode conversion
Merge pull request #4377 from edx/ned/fix-pr-4168

unicode fixes
Subsume browser links to variables, to exclude from translation
Show thread user to staff when only anonymous_to_peers is true
FOR-122
Merge pull request #4297 from mlkwaqas/waqas/for122-anonymous-post-are-anonymous-to-staff

Show thread user to staff when only anonymous_to_peers is true
Merge pull request #4379 from Stanford-Online/kluo/exclude-browser-translation

Subsume browser links to variables, to exclude from translation
New "Active Students" data on instructor dash
Merge pull request #4376 from edx/ahodges/documentation/activestudents

New "Active Students" data on instructor dash
Added discussion label change to release notes
Merge pull request #4387 from edx/markhoeber/documentation/doc-748

Added discussion label change to release notes
Defensively checks that children exist in has_changes
overriding a few more log levels for acceptance tests
disabling zendesk in lettuce tests and removing help/feedback lettuce tests in favor of the existing JS ones
Disable failing video language test