handle concatenated properties in the constructors extend method
handle concatenated properties in the constructors extend method

Enyo-DCO-1.1-Signed-off-by: Cole Davis <cole.davis@palm.com>

zefsolutions/enyo,PKRoma/enyo,airspringsoftware/enyo,kustomzone/enyo,wikieswan/enyo,mcanthony/enyo,beni55/enyo,bright-sparks/enyo,PKRoma/enyo,bright-sparks/enyo,beni55/enyo,airspringsoftware/enyo,mcanthony/enyo,enyojs/enyo,kustomzone/enyo,wikieswan/enyo,soapdog/enyo,enyojs/enyo,soapdog/enyo,zefsolutions/enyo