alert user when done
Merge branch 'master' into pradeep
Code review for completed notification.
Need to update counter independent of hinting policy.
completeness alert done after code review
Merge branch 'master' into pradeep
Code review for problem completed notification.
Moved variable testing completeness to model.js
Keep track of completed problems even after hint is sent.
Still need to move check from controller.js to con-student.js
since it references _PM.  See comments in code.
moved notifyDoneness code to con-student from controller
Merge branch 'pradeep' of https://github.com/bvds/LaitsV3 into pradeep