logging switched off if the the teacher opens a dashboard session of student.
Bug fix 2462 and changes for no feedback mode(Editor)
Merge branch 'master' into sachin
Merge branch 'vallabh' into sachin
Hint Slides functionality initial commit
new json problems
fixed math-probs.html and added comments

added comments to rendergraph.js and fixed an error in math-probs.html
energy balance 8 has been added as authentic set 6th problem
Updated description for set 1 problems
merged avaneesh to sachin
Updated description and lessonsLearned for set 2 problems
Merge branch 'sachin' into dillanbutler
Render table change

table button now shows the ui as well and can switch back and forth
form graph and table buttons with a problem
Updated description and lessonsLearned for set 3 problems
changes for quick fix in Lessons Learned and Height of the slide window
changes were stashed
Merge branch 'dillanButler' into sachin
Updated description and lessonsLearned for set 4 problems
Merge branch 'dillanbutler' into sachin
Updated description and lessonsLearned for set 5 problems