Add in control fields and migration
Merge remote-tracking branch 'origin/master' into dev
Start to add in control class, which defines submission meta-parameters
Go through control for all submission settings calls
Wire through control fields in ORA
Rename fields to match LMS
Remove circular import
Add in a count available to peer grading data
Merge remote-tracking branch 'origin/dev' into dev
Add in unit tests for controls
Merge pull request #124 from edx/dev

Dev