Rebalance CMS acceptance test shards
reverting the upgrade
Specify that split_test_modules support children.
Merge pull request #3697 from edx/e0d/revert-mysql-upgrade

reverting the upgrade
add failing tests for non-ascii characters in grade cutoffs on progress page (LMS-2687)
fix bug
Merge pull request #3700 from edx/andya/split_test_has_children

Specify that split_test_modules support children.
resolving display issue where older/smaller courses images wouldn't fill designated area on the student dashboard
Merge pull request #3696 from edx/talbs/fix-lms-dashboard-images

FIX - LMS: Dashboard Course Image Dimensions
Added @ksteph to AUTHORS file

See https://github.com/edx/edx-platform/pull/506
Merge pull request #3710 from edx/db/add-to-authors-file

Added @ksteph to AUTHORS file
Text changed in admin_dashboard for course enrollments.
LMS-1596
Merge pull request #3714 from edx/waheed/lms1596-change-text-admin-dash

Text changed in admin_dashboard for course enrollments.
Changing Student Anon ID Dump to return Course Specific IDs.
May change log fix
Merge pull request #3719 from edx/markhoeber/documentation/change-log-fix

May change log fix
Merge pull request #3706 from edx/adam/fix-non-ascii-grade-range

Adam/fix non ascii grade range
Staff Debug includes links to reset/rescore/delete state for a student
Merge pull request #3698 from edx/ahodges/documenttion/DOC387

Ahodges/documenttion/doc387
Merge pull request #3598 from edx/zoldak/rebalance-cms-shards

Rebalance CMS acceptance test shards