[TNL-287] Text Annotation Tool: Reply/Grouping Bug Fix
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
Moved imports to startup.py.
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.
Merge pull request #5178 from edx/release

Release
pass along an extra parameter to CyberSource to sepcify a callback URL if the user clicks cancel

typo
Minor updates to three problem types
Update i18n_translators_guide.rst
remove note from Annotations
Merge pull request #5182 from edx/sylvia/docs/minorfixes

Minor updates to three problem types
Add note about angle brackets to Dropdown topic
Merge pull request #5044 from edx/sylvia/docs/DOC-875

Add note about angle brackets to Dropdown topic
Ex-79 Bug Fixed. If there is no coupon code,  'Generate Registration Codes' modal dialog does not appear
Fixed InvalidKeyError in course handler in studio.
LMS-11141
Merge pull request #5022 from edx/waheed/lms11141-fix-invalid-key-error-in-course-handler

Fixed InvalidKeyError in course handler in studio.
Merge pull request #4983 from lduarte1991/lduarte-harvardx-pr20

Annotation Tools: Turn off Private/Public option and add missing css group to MyNotes