Reshuffle to put "HTML" (JSX) and CSS together as a theme with logic elsewhere.

themes/base/views/molecules/UnknownMessageTile.js

@@ -0,0 +1,16 @@
+var React = require('react');
+
+var UnknownMessageTileController = require("../../../../src/controllers/molecules/UnknownMessageTile");
+
+module.exports = React.createClass({
+    displayName: 'UnknownMessageTile',
+    mixins: [UnknownMessageTileController],
+
+    render: function() {
+        return (
+            <span className="mx_UnknownMessageTile">
+                ?
+            </span>
+        );
+    },
+});