Remove coverage files from npm package
[docs/node] add example for appendTo
[docs/node] update parameter documentation for appendTo
Merge branch 'live-docs' into dev-master
Merge branch 'dev-master' of github.com:redonkulus/yui3 into redonkulus-dev-master
[dom] Optimize dom-style.js

* Remove unnecessary anonymous function, unused variables.
* Use "Number()" instead of "new Number()".
[dom] Optimize dom-style-ie.js

* Remove unnecessary anonymous function, unused variables.
* Use "===" instead of "==".