HTML Textbooks: Adding annotation css files group
Annotation Tools: Removed Public/Private Permissions Trigger
Annotation Tools: Adding Check for Grouping in MyNotes

- Grouping instance checked instead of prototype

- adding comments
LMS: removing breakpoint-centric styling + small comment cleaning on edx-specific footer
LMS: renaming edx-specific footer template files/references
LMS: revising markup/styling of edx-specific footer
LMS: optimizing header PNG asset
Login analytics
LMS-11297 BokChoy and Acceptance tests configure default_store with update_module_store_settings.
LMS-11282 Paver Lettuce Acceptance support for Split; default store set to Draft.
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)