Make the publish script faster by not converting all the files on every file

website/core/Header.js

@@ -9,10 +9,9 @@ var slugify = require('slugify');
 var Header = React.createClass({
   render: function() {
     var slug = slugify(this.props.toSlug || this.props.children);
-    var H = React.DOM['h' + this.props.level];
-
-    return this.transferPropsTo(
-      <H>
+    var H = 'h' + this.props.level;
+    return (
+      <H {...this.props}>
         <a className="anchor" name={slug}></a>
         {this.props.children}
         {' '}<a className="hash-link" href={'#' + slug}>#</a>