Merge pull request #281 from edx/sanchez/TIM-406-updating-your-grade

TIM-406 Refresh Grade section after submission
Add script for starting JS tests in Chrome for debugging
Merge pull request #282 from edx/will/js-debug-script

Add script for starting JS tests in Chrome for debugging
Install test course in a sandbox
Update the release script to create a tag but not a branch
Remove fixtures
Fix for TIM-474. Disable submit buttons during transaction.
Merge pull request #283 from edx/sanchez/TIM-474

Fix for TIM-474. Disable submit buttons during transaction.
Merge pull request #287 from edx/will/deprecate-fixtures

Remove fixtures
Merge pull request #286 from edx/will/test-course-fixture

Install test course in a sandbox
Merge pull request #285 from edx/will/release-tag-script

Update the release script; add script to get deployed SHA
Add real admin.py pages for apps.

Models that are intended to be immutable are read-only in the
admin screens. Workflow related models are editable, though the
use cases for that are limited. It's primarily intended to be a
search/diagnosis tool.

TIM-376
Merge pull request #261 from edx/ormsbee/admin_screens

A more useful admin interface
Allowing the modification of the peer feedback prompt
Merge pull request #280 from edx/sanchez/TIM-409-Custom-Feedback-Prompt

Allowing the modification of the peer feedback prompt
Admin screen for ScoreSummary.
Merge pull request #288 from edx/ormsbee/score_summary_admin

Admin screen for ScoreSummary
Renaming feedback to comments for a peer assessment.
Merge pull request #289 from edx/sanchez/TIM-485

Renaming feedback to comments for a peer assessment.
Point xblock SDK back to the tip of master