postvar updates - using devel code
fixed 2267
Bug Fix 2271
Bug Fix 2266
Documentation of the pedagogical model in javascript
Bug Fix 2271 - cherry-picked from sita d95e01a8

Conflicts:
	src/edu/asu/laits/gui/ExportSolutionPanel.java
Bug Fix 2266 - cherrypicked from sita d6e21565

Conflicts:
	src/edu/asu/laits/model/PersistenceManager.java
Bug 2273 - Edge creation/removal issue
Bug 2273 - Edge creation/removal issue
Added trancate to node names after 20chars
Fixed 2273, 2274 and 2275
Bug 2028
Fix of Session Load/Unload for Author
Merge branch 'master' into sachin
JSON problem file example
Merge branch 'master' of https://github.com/rptiwari/LaitsV3
nodeeditor dragoon2
Point to dojo and dijit libraries.
Move Pradeep & Deepak's example models to
js/examples.  Change links to point back to jsPlumb.
Add jsPlumb with style closer to what we need.