fix, splice must update the length of dataset to trigger notifications to bound listeners to know to update their data bindings
fix, splice must update the length of dataset to trigger notifications to bound listeners to know to update their data bindings

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

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