Issue #220: Support individual layer symbols for search widget.
Issue #220: Support individual layer symbols for search widget.

Esri/arcgis-viewer-flex,CanterburyRegionalCouncil/arcgis-viewer-flex,CanterburyRegionalCouncil/arcgis-viewer-flex,Esri/arcgis-viewer-flex,CanterburyRegionalCouncil/arcgis-viewer-flex