Update CHANGELOG.md
Update CHANGELOG.md

Note the page visibility API change just taken by PR.

Signed-Off-By: 89ab9a9dc0ef4ee03263fb745dad408a310f5226@lge.com)
zefsolutions/enyo,enyojs/enyo,beni55/enyo,kustomzone/enyo,wikieswan/enyo,mcanthony/enyo,bright-sparks/enyo,beni55/enyo,PKRoma/enyo,soapdog/enyo,soapdog/enyo,bright-sparks/enyo,wikieswan/enyo,enyojs/enyo,kustomzone/enyo,zefsolutions/enyo,PKRoma/enyo,mcanthony/enyo