Adding enyo.rendered
Adding enyo.rendered
Making enyo.rendered fire callbacks on every root rendered
Adding comments
Adding comments
Clean up rendered.js

No code meaning changes, just an update to match the style of the
rest of the enyo core code.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #506 from enyojs/LEX-enyo.rendered

Adding enyo.rendered

Reviewed-By: Ben Combee (ben.combee@lge.com)