Sarina/fix grades management commands

Dhm/bug cohort args

Fix missing semicolon in annotation html

To make RTD work.

Merge latest master into opaque-keys

Update annotations modules to use the course_id from the runtime, rather than extracting it from the page

Conflicts:
	cms/templates/widgets/header.html

ORA2 release 2014-05-19

Sarina/051914 language update

SymbolicResponse fix error message.

Online help system

Sock template changes

Changed help button to link and removed drop-down items

Use local storage instead of S3 for uploads in devstack.

Dhm/opaque export

Sarina/fix split test child

Sarina/fix git import

now only exports the drafts into the draft subdir
STUD-1627

Add napoleon to the requirements to build our docs