BUGFIX: Too many assessments used in score.
Merge pull request #471 from edx/will/assessment-score-bug

BUGFIX: Too many assessments used in score.
Explicit action to begin turbo mode.
Merge pull request #472 from edx/sanchez/ORA-37-Explicit-Turbo-Mode

ORA-37 Explicit action to begin turbo mode.
Add locks and a default value for the migration that adds criterion_id to assessmentpart
Merge pull request #475 from edx/will/update-migration

Update migration to add criterion_id to AssessmentPart
Allow criteria with no options, just written feedback.
Merge pull request #463 from edx/will/0-option-criterion

Feedback-only criteria
Allowing file based submissions for ORA2
Merge pull request #464 from edx/sanchez/TIM-645-Image-Submissions

Allowing file based submissions for ORA2
Fixing error toggling for server-side errors.
Merge pull request #481 from edx/sanchez/better-image-submission-errors

Fixing error toggling for server-side errors.
Separate JavaScript for the LMS and Studio
Merge pull request #486 from edx/will/split-up-js

Separate JavaScript for the LMS and Studio
Better handling of duplicate training essays
Merge pull request #484 from edx/sanchez/ORA-640-Disallow-Duplicate-Essays

Better handling of duplicate training essays
Fixed a number of styles
Merge pull request #487 from edx/grady/fix-styles

Fixed a number of styles that were damaged by the javascript and HTML refactor.
Update i18n translations
Move JS server object into a common directory so it's shared with LMS and Studio