in the middle of fixing
still solving problem
fixing equation box issue
saving state problem fixed
Merge branch 'master' into haoxuan3
Skeleton for getting state into the PM.
no changes made
saving state revamped
fixed undo button
Merge branch 'master' into haoxuan3
Bugfix: Allow node to close when expression altready entered when opened
Merge branch 'sachin2' of https://github.com/bvds/LaitsV3 into sachin2
Merge branch 'haoxuan2'
Code review for state:  changing whitespace.
Merge branch 'master' of github.com:bvds/LaitsV3
Undo values in name and description fields when
closing node editor in AUTHOR mode.
Merge branch 'master' into sachin2
Set equationEntered in controller when equation box is
given a value.
Merge branch 'master' into haoxuan3
Code review for saving state.  I am unclear about the
changes to the pedagogical module.  In order to merge
the other changes, I took the master version of
js/pedagogical_module.js.  The modified version
can be found at commit 834fd14a524b7dcd16d60865da5d4aa78ae72019