Update index.html

Put the YUI seed file on your page.

The YUI seed file is an ultra-small bit of JavaScript that enables you to load any YUI component on your page.
Merge pull request #2 from gsydonkey/YUI-3.11.0

Yui 3.11.0
Merge pull request #3 from gsydonkey/Sandbox

Update index.html
Merge pull request #4 from gsydonkey/Node

Update index.html
Merge pull request #5 from gsydonkey/master

Merge master into basic node transitions