Add toggle button to buttongroup

Change-Id: I8b65001ca0e39dc4a04d19ee1e8a90fdb414b35f
diff --git a/dev/js/src/init.js b/dev/js/src/init.js
index 0b31e23..982929c 100644
--- a/dev/js/src/init.js
+++ b/dev/js/src/init.js
@@ -30,7 +30,8 @@
   'tour/tours',
   'api',
   'mailToChiffre',
-  'util'
+  'util',
+  'state'
 ], function (matchClass,
              hintClass,
              vcClass,