Fix cached definition change detection
LMS-11485
Remove extraneous dollar sign in template
Merge pull request #5467 from mlkwaqas/waqas/forum-typo-thread-show

Additional dollar sign in template
Show date and time on Schedules and Details in UTC (TNL-85).
Merge pull request #5433 from edx/oleg/fix-utc-time-studio-details

Show date and time on Schedules and Details in UTC (TNL-85).
Fixed incorrect relative time value in time.js.
TNL-157
Merge pull request #5479 from edx/waheed/tnl157-fix-incorrect-relative-time

Fixed incorrect relative time value.
Merge pull request #5469 from edx/split/content_update

Fix cached definition change detection
TNL-172: Change type of a previously posted post.
Make the thread_type field updatable.
Make sure 'Marked as Answer/Unmark as answer' is present when thread type is question and not when thread type is discussion.
Update ThreadView on save.
Fixed Jasmine unit tests.
Addressed some comments.
Update sidebar after endorsements get cleared.
Recreate DiscussionThreadView from containing view on thread:thread_type_updated event.
Reverted fixture change.
Added comment.
Addressed comment.
Removed DiscussionThreadTypeView and replaced it by Underscore template.