LMS: add CSRF token to register form
Add Neurolit to AUTHORS file
Response to CR
response to CR
Teach OEE to consider old task_states when trying to recover from an xml mismatch
Centralize to a single GradingServiceError, so that it's caught when expected
Small fix
Assign a score of 0 to tasks with no attempts
Use correct set of OpenEndedChild states
Merge pull request #1686 from cpennington/hotfix-max-empty-sequence

Assign a score of 0 to tasks with no attempts
BLD-193: Add template for checkboxes to studio.
Merge pull request #1688 from edx/anton/add-template-checkboxes

Add template for checkboxes to studio.
Merge pull request #1594 from neurolit/csrf_accessibility

LMS: add CSRF token to register form
298.15 K is 25 C, not 0 (0 is defined to be at 273.15)

Signed-off-by:  <manuel.freire@fdi.ucm.es>
 BLD-410: Add tests.
Merge pull request #1656 from edx/anton/fix-acceptance-test

Video player: fix acceptance test.
Fix i18n:test rake task
Provide language codes for i18n testing
Merge pull request #1634 from edx/flowerhack/feature/refactor-to-track-enrollment

Flowerhack/feature/refactor to track enrollment
Remove unused forum CoffeeScript code