[TNL-287] Text Annotation Tool: Reply/Grouping Bug Fix
Ex-79 Bug Fixed. If there is no coupon code,  'Generate Registration Codes' modal dialog does not appear
Add tracking on expand of upsell message
[TNL-293] Annotation Tool: Fixed TinMCE issue when changing units

- fixed tinymce editors condition to check only positive numbers
Add matplotlib to the sandbox requirements.

Used by MITx/6.341x
Ensure group info is present in LMS responses.

TNL-24
Merge pull request #5198 from edx/feanil/sandbox_matplotlib

Add matplotlib to the sandbox requirements.
Merge pull request #5184 from edx/renzo/upsell-tracking

Add tracking on expand of upsell message
Merge pull request #5146 from lduarte1991/lduarte-harvardx-pr23

Text Annotation Tool: Reply/Grouping Bug Fix
Merge pull request #5172 from edx/jsa/tnl24

test that group_id attribute is present and correct in LMS responses
Merge pull request #5165 from lduarte1991/lduarte-harvardx-pr25

Annotation Tool: Fixed TinyMCE issue when changing units
Merge pull request #5170 from edx/muhhshoaib/Ex-79-BUG-if-no-coupon-code-defined-registration-codes-modal-dialog-box-does-not-appear

Ex-79 Bug Fixed. If there is no coupon code, 'Generate Registration Codes' modal dialog does not appear.
Html escaped from display name in xblock.
LMS-11194
Fixed video not playing after changing speed to anything other than 1.
BLD-1221
Merge pull request #4749 from edx/waheed/lms11194-xblock-allow-html-and-script-in-dusplay-name

Html escaped from display name in xblock.
Merge pull request #5055 from edx/waheed/bld1221-fix-video-not-play-in-firefox-on-speed-change

Fixed video not playing after changing speed to anything other than 1.
Updating active_versions should not send old and new
but just use old to get query info.
LMS-11396