Merge pull request #1707 from edx/gprice/forum-thread-list-focus-trap

Add error recovery and focus trap to thread loading in forum sidebar
Minor cleanup around public RESTful URLs.

STUD-849
more granular transactions in grading [LMS-1480]

remove field_data_cache from grades.grade and grades.progress_summary

cleans grading code by adding wrappers
Merge pull request #1725 from edx/anton/transcripts-fix-acceptance-test

BLD-524: Add missing assert in video test.
Merge pull request #1729 from edx/adam/more-granular-grading-transactions-2

more granular transactions in grading [LMS-1480]
Removed Backbone sourcemap comment

Because the resulting 404 was causing confusion
Merge pull request #1730 from edx/db/remove-backbone-sourcemap-comment

Removed Backbone sourcemap comment
Merge pull request #1726 from cpennington/hotfix-fix-OEE-ajax-url

Fix LMS-1493
Pass through the certificate mode correctly.
Fix 0010 courseware migration
Merge pull request #1715 from robertjmarks/master

changes to allow multiple choicetextresponses in one problem

@adampalay will do!
Initial commit.

Adding focus on slider handle when video ends.
Removing unnecessary debug console.log() calls.
Change back to original code.
Adding comments.
Also undid tabindex=-1 for the slider knob. It is unnecessary, and prevents
the user from tabbing onto the slider.
Adding minor details.
startTime and endTime proper reset.

BLD-488
Adding tests.

Disabled Jasmine test due to flakiness on dev machine.
Added test for endTime in update().
Enabled updatePlayTime() tests. Will see on Jenkins.
Adding test for updatePlayTime() method.
Adding ProgressSlider notifyThroughHandleEnd() Jasmine tests.
Fixing Jasmine coverage problems.
Removed cover logs.
Fixing flaky test.
Removed code coverage logs.

BLD-488
Addressing reviewer's comments.

Updated Change Log.

BLD-488
Merge pull request #1677 from edx/valera/alert_screenreader_video_end

a11y - Videos need to alert screenreaders when the video is over.
Merge pull request #1606 from zubair-arbi/zub/bugfix/std293-coursehandout

Show error on invalid html in course handout edit
Merge pull request #1721 from edx/talbs/update-gitignore

Static CSS and Developer Stack Remnants to .gitignore
Allow colons in Locator fields.
BLD-474: Allow multiple answers for string response.
Merge pull request #1740 from edx/bug/locator_parse

Allow colons in Locator fields.