Fix typos in documentation.  Untangle "major mode" versus
submode.  Clean up code in descriptionAction() a bit
(Brandon should apply changes to remaining functions in the PM).
Merge branch 'master' of github.com:rptiwari/LaitsV3
Added some examples for setting selections and enable/disable
when opening the node editor.
added on click handler, option for aspect onclick handler
added on click handler, option for aspect onclick handler
Merge branch 'master' of https://github.com/rptiwari/LaitsV3
Example of object as value.  Still need to fix
up documentation.
setting intial value, units and type
Merge branch 'master' of https://github.com/rptiwari/LaitsV3
Add section to save state for the node editor.
Add setters and getters for the node editor state.
Remove openAction from the PM.
Set color in node editor controls by changing "status"
attribute.
equation conversion to readable format, back conversion code remaining
Add empty problem "rabbits.json"
Remove settings from previous use of node editor.
Fix bugs in rabbits.json and get controller working with
parser.
Fix typo in controller.
Set scope in handlers so node id is available.
Merge branch 'sachin' to update the query for getting student author pairs