ENYO-2647: have enyo.Component.bubbleUp handle case where no event is passed in
ENYO-2647: have enyo.Component.bubbleUp handle case where no event is passed in

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

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