Update Jsonp.js
Update Jsonp.js

Added clarification about GET and JSON function wrapper requirement for enyo.JsonpRequest

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
kustomzone/enyo,beni55/enyo,kustomzone/enyo,mcanthony/enyo,wikieswan/enyo,enyojs/enyo,PKRoma/enyo,soapdog/enyo,mcanthony/enyo,enyojs/enyo,soapdog/enyo,bright-sparks/enyo,beni55/enyo,bright-sparks/enyo,airspringsoftware/enyo,airspringsoftware/enyo,wikieswan/enyo,PKRoma/enyo,zefsolutions/enyo,zefsolutions/enyo