node handlers, functionality UI changes for author mode
Merge branch 'master' into sachin
hack for showing the graph, changes made in initialize function
Timestamp/Description editing UI
Merge remote-tracking branch 'origin/joinerr' into sachin
Fix bug with enable.
Use menu.add() for Description button.
Add copyright.
Some minor changes to format.
Changes for code review of Description editor
Remove global variables from description.js
Add serialize (untested).
fix css error
Remove load of calculations.js in main.js
calculations.js is extended by RenderGraph.hs and RenderTable.js
Merge branch 'master' into sachin
Description editor code review:
Handle line breaks in description
Wait until image is downloaded before getting dimensions
Handle case where no image is specified.
Cleanup image and text placement calculations.
Use <divs> to separate rows in descrption editor
(getting ready to use common style for both node editor
and description editor).
Merge branch 'megha'
Add deleter
Didn't remove all references to session and model in draw-model.js
Fix bug where deleted model not sent to server.