Add Performance tab.

res/app/control-panes/performance/index.js

@@ -0,0 +1,11 @@
+require('./performance.css')
+
+module.exports = angular.module('stf.performance', [
+
+])
+  .run(["$templateCache", function ($templateCache) {
+    $templateCache.put('control-panes/performance/performance.jade',
+      require('./performance.jade')
+    )
+  }])
+  .controller('PerformanceCtrl', require('./performance-controller'))