New JSX language under JavaScript group

A specific grammar is needed to highlight .jsx files
Thus, there are now in a distinct language but still in the JavaScript group

samples/JSX/sample.jsx

@@ -0,0 +1,23 @@
+'use strict';
+
+const React = require('react')
+
+module.exports = React.createClass({
+  render: function() {
+    let {feeds, log} = this.props;
+
+    log.info(feeds);
+    return <div className="feed-list">
+      <h3>News Feed's</h3>
+      <ul>
+        {feeds.map(function(feed) {
+          return <li key={feed.name} className={feed.fetched ? 'loaded' : 'loading'}>
+            {feed.data && feed.data.length > 0 ?
+              <span>{feed.name} <span className='light'>({feed.data.length})</span></span>
+              : 'feed.name' }
+          </li>
+        })}
+      </ul>
+    </div>;
+  }
+});