Remove correct/incorrect message, and auto-add in needed markdown for studio
Check to see if a location is valid before displaying it for instructor grading
JSinput input type
Add sphinx documentation for jsinput
Remove obnoxious pip file
Tidy up argument parsing in release email script
Merge branch 'master' into feature/jkarni/jsinput

Conflicts:
	doc/public/index.rst
Abort submission and alter user if gradefn throws an exception
External_auth.views.login_or_signup fix codepath that didn't set uname

which caused UnboundLocalError.  Added tests for this case
Allow nested object methods for the grade and state functions
Fix check for waitfor attr
Pass arguments from ctxCall forward to set state
Merge remote-tracking branch 'origin/master' into fix/vik/studio-oe
Properly increment student attempts
Add setting to set the virtual host of a Celery broker
Initial model.
Add test for incrementing student attempts
Fix test
Set default weights
Set a default weight