Merge remote-tracking branch 'upstream/master'
Merge pull request #379 from abhinavc/master

rubric added
Merge pull request #380 from abhinavc/master

Using the more often used formulae in solution
Merge remote-tracking branch 'upstream/master'
- fixed and added these three questions
Merge pull request #381 from adamarla/master

three fixed questions
[cron-git-commit] @ 14.57
[cron-git-commit] @ 15.03
- figure adjustments
- made figures larger
- added questions from Part IV
Merge pull request #382 from adamarla/master

Added questions, small corrections needs retagging
[cron-git-commit] @ 09.26
[cron-git-commit] @ 09.27
- syntax error in rubric fixed
Merge pull request #383 from adamarla/master

syntex error fixed
- insertQR command reinserted, got lopped of due to new placement
  strategy. Question to be retagged after fix is in place.
Merge pull request #384 from adamarla/master

Re inserted insertQR commands
[cron-git-commit] @ 13.09
[cron-git-commit] @ 13.11