change the event locking mechanism to use "silence" and "unsilence"
change the event locking mechanism to use "silence" and "unsilence"

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

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