Merge pull request #5458 from edx/andya/lms-underscore-i18n

Translate strings in LMS Underscore templates
Merge pull request #5457 from edx/kill-DISABLE_RESET_EMAIL_TEST-flag

Kill DISABLE_RESET_EMAIL_TEST flag
Don't put all of xmodule_js as src (changes coverage metrics).
Four Unicode fixes in discussion
Add new enrollment message to the dashboard

The body of the enrollment message template

Tokenize platform name in message.

Changing to a datetime enrollment approach

Adding sorting. A little refactoring.

Adding confguration model for time delta

Adding admin registration and basic form for new config model.

Fixing docstring typo

Updating default time delta to 0, adding test to show it disabled functionality.

Removing the form from configuration and tweaking the enrollment message html
Merge pull request #5424 from edx/adam/change-discussion-blackout-wording

update discussion blackout setting warning (TNL-442)
Merge pull request #5436 from Edraak/edraak/omarithawi/fix-four-unicode-issues-in-discussion

Four Unicode fixes in discussion
Merge pull request #5459 from edx/zoldak/quiet-stevedore

Quiet stevedore.extension logging in bok-choy tests
Merge pull request #5420 from edx/sanchez/enrollment-success-message

Add new enrollment message to the dashboard
Merge pull request #5366 from edx/usman/tnl367-transaction-level-decorator

MySQL transaction isolation level decorator.
set overflow to scroll so that user can see full content with increased font size
TNL-256
Update final text strings & readthedoc URL

TNL-401
Use ddt for shib tests
Remove test cleanups

Since `ddt` should make them unnecessary
Address PR review comments
image files with different extensions should generate thumbnails with distinct names (TNL-532)
Make student profile CSV download a background task, add cohort column
Fix cached definition change detection
LMS-11485
Remove extraneous dollar sign in template
Remove unused files, add missing spec file.