LMS-11286 Paver Bokchoy support for Split; default store set to Split.
LMS-11331, LMS-11345 Make auth check branch agnostic; fix deserialize keys
LMS-11371 Fix register bug - encoding of course_id.
LMS-11373 Fix Studio drag and drop race condition.
Merge pull request #5168 from edx/flowerhack/third-party-stats

Flowerhack/third party stats
Moved imports to startup.py.
Merge pull request #4963 from edx/talbs/platform-footer

LMS: edX-centric  New Footer Style/Markup clean-up
Create indexes before running cross-modulestore import/export tests
Add an index on _id.revision to allow separating draft and published during export
Remove unneccesary uses of SON (which is slower than dict)
Only format test assertion messages when they are needed (they are a performance hit when testing large courses)
Merge pull request #5162 from cpennington/split/import-export-performance

Performance improvements to split mongo and old-mongo, based on import/export tests.
Merge pull request #4977 from edx/split/paver

Split/paver LMS-11211
Annotation Tools: Clean-up
TE-468 JS test: Use the correct array for validating onSeek logs

This particular test is failing in Solano workers; there the log
is written in a different order, which was causing objects not to
be found.
Merge pull request #5177 from edx/usman/fix-xml-imports

Moved imports to startup.py.
Create auto cohorts when list_cohorts is called and return number of users per cohort.

TNL-186
Add support for UX reference templates in LMS
Merge pull request #5133 from edx/christina/cohorts-api

Create auto cohorts when list_cohorts is called.
Merge pull request #5176 from edx/andya/lms-ux-reference-templates

Add support for UX reference templates in LMS