Adding date time formatting.
Merge branch 'master' into sanchez/TIM-171-Submission-UI

Conflicts:
	apps/openassessment/xblock/submission_mixin.py
Creating a number of templates for response. Requires cleanup.
Merge branch 'master' into sanchez/TIM-171-Submission-UI
Fixing a javascript loading issue
Template-tizing the tempalates
Merge branch 'master' into sanchez/TIM-171-Submission-UI

Conflicts:
	apps/openassessment/xblock/ui_models.py
Merge branch 'master' into sanchez/TIM-171-Submission-UI

Conflicts:
	apps/openassessment/xblock/submission_mixin.py
Updating templates based on merge from master.
Changing score logic (incomplete)
Working approach to new scores and displaying them.
Cleanup and tests
Code Review tweaks
Code Review Tweaks
Merge branch 'master' into sanchez/TIM-171-Submission-UI

Conflicts:
	apps/openassessment/xblock/peer_assessment_mixin.py
	apps/openassessment/xblock/submission_mixin.py
Missed a file..
Code Review changes
Refactor the methods for creating median scores
Added back some dearly missed unit tests, and refactored the median score code a little more
Changing the start due date logic to be its own function