missed rst
remove old version of codemirror, to prevent confusion
Fix for CourseFactory bug - course object not saved after setattr called
Bugfix for split test on sequential save

Bug would occur when comparing Groups or UserPartitions - because these types
lacked comparator methods, different objects would come up as different when
their values were equal.
Do not remap the wiki_slug if reimporting into the same course.

LMS-2136
Merge pull request #2889 from edx/sarina/fix-abtest-for-sequentials

Bugfix for split test on sequential save
adjusted visual styling for editing state of xblocks, html, and video components which had extra padding applied to it from the container page xblock styling
STUD-1410
Merge pull request #2902 from edx/usman/lms2136-wiki-slug-renamespacing-fix

Do not remap the wiki_slug if reimporting into the same course.
Fixed module urls creation in legacy instructor dashboard.

LMS-2327
raise contrast of 'points possible' text to WCAG AA
change 'modal' wording to something more general and less jargony
focus management and js syntax fix
BLD-915: Fix issues with different videoIDs.
Upload files explicitly in tests.
Add missing import

JIRA: FOR-523
replace unicode 'X' with font-awesome 'remove'
Improve robustness of bok choy discussion tests

A test failed because an element disappeared between the evaluation of
the clauses of a conjunction, so rewrite to make the conjunction
unnecessary.
Merge pull request #2906 from edx/anton/fix-for-different-videoids

Video: Fix issues related to videos that have separate YouTube IDs for the different video speeds.
Merge pull request #2907 from edx/gprice/FOR-523

Add missing import
Merge pull request #2909 from edx/gprice/bok-choy-robustness

Improve robustness of bok choy discussion tests