available problems now returns session_id,Bug 2418, query fixed, needs to
be reviewed, we also pass session_id to dragoon now
Merge branch 'master' into ritesh
changes in math-probs page
task fetcher now works with sessionId for solving custom problems
Merge branch 'master' into ritesh
BUG 2411: removed extra condition
Merge remote-tracking branch 'origin/master' into avaneesh
Merge branch 'master' into ritesh
removing object copy, using dojo.clone
Merge branch 'master' into ritesh
added preview button
added show in student model fields to node editor
share bit check for model completeness and a root node
adding click hanlder to preview
share bit switch, modified for empty model, avoided infinite loop and necessary changes
Added JSON files for energy balance problems
Energy balance 1.json modified
Merge branch 'master' into ritesh
bug number 2439
modified node editor to add nodes to student model
Merge branch 'avaneesh' into pradeep