ui/api/storage crud for roles; some refactoring

lib/admin_plugins/index.js

@@ -5,6 +5,7 @@ var _ = require('lodash');
 function init() {
     var allPlugins = [
         require('./subjects')()
+      , require('./roles')()
       , require('./cleanstatusdb')()
       , require('./futureitems')()
     ];