Added suport for viewing extents from other maps in the context map.
Added suport for viewing extents from other maps in the context map.

Esri/Esri-Ozone-Map-Widget,aconyteds/Esri-Ozone-Map-Widget,aconyteds/Esri-Ozone-Map-Widget,Esri/Esri-Ozone-Map-Widget,aconyteds/Esri-Ozone-Map-Widget,aconyteds/Esri-Ozone-Map-Widget,Esri/Esri-Ozone-Map-Widget