update discussion blackout setting warning (TNL-442)
Disable http range requests in pdf.js.

A bug in pdf.js or Chrome is causing pdf books to not load.

TNL-488
Disabled failing test test_video_end_time_with_default_start_time.
Created commit_on_success_with_read_committed decorator.

This decorator executes the decorated function inside a
transaction with isolation level set to READ COMMITTED.

TNL-367
Tests for the commit_on_success_with_read_committed decorator.

TNL-367
commit_on_success_with_read_committed should only work with atmost
1 level of transactions.

TNL-367
Added commit_on_success_with_read_committed decorator to views
which raise IntegrityErrors.

TNL-367
Merge pull request #5455 from edx/usman/tnl488-disable-range-requests-in-pdf-viewer

Disable range requests in pdf viewer.
Kill DISABLE_RESET_EMAIL_TEST flag

We're better served by just directly testing if we're in the LMS or not.
Translate strings in LMS Underscore templates
Quiet stevedore.extension logging in bok-choy tests
Merge pull request #5461 from edx/release

Release
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
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