Make code more robust to bad input (for case where DB was populated with string None)
Don't put all of xmodule_js as src (changes coverage metrics).
Remove unused files, add missing spec file.
Merge pull request #4003 from edx/pmitros/fix-sequential-none

Fix case where DB gets populated with string None
Merge pull request #5464 from edx/christina/js-coverage

Don't put all of xmodule_js as src (changes coverage metrics).
Remove no longer used stage-edge.edx.org.
Merge pull request #5477 from edx/nimisha/update_release_script

Remove no longer used stage-edge.edx.org.
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.
Removed tests for DiscussionThreadTypeView.