Add dijit/Dialog to loader list.
Merge branch 'master' into stable
Still need to merge Sachin's logging
              fix input box
              add link to intro video
Undo bad commit on master.
Merge branch 'master' into stable
Merge branch 'master' into stable
This has a working description editor,
but node editor won't re-open for existing node
in author mode (chokes on setting the equation).
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Author mode mostly working.  Still need to
work on units control.
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
Send the model task to the solutions table.
Update the solutions table using the SQL query:
  UPDATE solutions SET solution_graph = SUBSTRING(solution_graph, 9, LENGTH(solution_graph)-9)
     WHERE solution_graph REGEXP '^{"task":';
Merge branch 'master' into stable
Merge branch 'master' into stable
Merge branch 'master' into stable
This includes change from "author" to "group".
You will need to update your database using:
   ALTER TABLE session CHANGE COLUMN `author` `group`  varchar(30) DEFAULT NULL;
Has work-around for Bug 2414 (added delay) but no real fix.
Merge branch 'master' into stable
Merge branch 'master' into stable