Adding message for Doneness in Coached Mode.
Modifing the function name in Controller.
Merge branch 'master' into megha
Code review for complete model check in
student mode.  Moved hint to pedagogical module.
Moved checkDonnessMessage() from controller.js to con-student.js
Merge branch 'master' of github.com:bvds/LaitsV3
Merge branch 'megha'