parse root element

[Bodo Kaiser]

I noticed that reactive can not bind to the data-* bindings of the root element:

var $a = document.createElement('a');

$a.dataset.href = 'username');

var model = { username: 'blabla' };

reactive($a, model);

// outputs ""
console.log($a.href);

[Amir Abushareb]

see #72