Add repsonse pagination to inline discussions
Temporarily disable CAPA problem "Check" button.

- update appropriate jasmine tests so that stubbed $postWithPrefix
respects a subset of jQuery promise API.
- add customization for checking state.
- display checking state while button is disabled.
- ensure checking state lasts for at least a second.
Message changed for course import when timeout.
STUD-1283
Merge pull request #3232 from edx/waheed/stud1283-added-message-when-timeout-on-import

Warning message changed for course import when timeout.
save dates on enter key press
STUD-1506
Remove params from list.
Tweaking automatic screenshots in acceptance tests.
BLD-753: Add i18n for LTI.
Refactor speed control.
Add fixes.
Update docstrings.
Removed unused helpers.
Merge pull request #3277 from edx/oleg/custom-params-fix

Do not allow user overwrite some LTI parameters using custom parameters field. BLD-989.
Merge pull request #3273 from edx/valera/hendrixx

Tweaking automatic screenshots in acceptance tests.
Merge pull request #3216 from edx/zub/bugfix/std1506-savedate

save dates on enter key press
Fix video feature name so the test results roll up correctly
Implement editing from the Studio container page.

STUD-1306
Make tab name comparison case-insensitive
making chrome scroll up when showing the component menu on the Studio unit page
Refactor test logic for switching editor tabs