Cleanup jshint whitespace issue
Move enyo.fullscreen definition out of enyo.ready() call to allow for easier documentation with API tool

Enyo-DCO-1.1-Signged-Off-By: Ben Combee (ben.combee@lge.com)
Move fullscreen.js from dom to ui, since the fallback code relies on enyo.FloatingLayer

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)