adjusted observer to handle observed value changes.
adjusted observer to handle observed value changes.

gboushey/frontend,jrjohnson/frontend,ilios/frontend,gboushey/frontend,thecoolestguy/frontend,thecoolestguy/frontend,dartajax/frontend,jrjohnson/frontend,dartajax/frontend,gabycampagna/frontend,gabycampagna/frontend,djvoa12/frontend,ilios/frontend,djvoa12/frontend