Refactor view.

src/_h5ai/client/js/inc/view/topbar.js

@@ -0,0 +1,19 @@
+modulejs.define('view/topbar', ['$', 'config', 'view/root'], function ($, config, root) {
+
+    var template =
+            '<div id="topbar">' +
+                '<div id="toolbar"/>' +
+                '<div id="crumbbar"/>' +
+                '<a id="backlink" href="http://larsjung.de/h5ai/" title="powered by h5ai ' + config.setup.VERSION + '">' +
+                    '<div>powered</div>' +
+                    '<div>by h5ai</div>' +
+                '</a>' +
+            '</div>';
+    var $el = $(template).appendTo(root.$el);
+
+    return {
+        $el: $el,
+        $toolbar: $el.find('#toolbar'),
+        $crumbbar: $el.find('#crumbbar')
+    };
+});