Adding dialog box for crisis alert messages
Merge branch 'master' of https://github.com/rptiwari/LaitsV3
Move buttons to use screen real estate better.
Change html for dijit/form/Button to be uniform and match Dojo
documetation.
Update equation labels more consistently.
Fix bug where node positions not saved to model in AUTHOR mode.
Remove test code for pop-up dialog.
Fix bug fix for setPosition in all modes.
Create unified directive handler.
If the description is demoed, there is an error where the node status
cannot be found.  Also, handling for equations has not been implemented.
It might also make sense to migrate some of this over to controller.js