message: updated facebook messenger menu persistence
diff: @@ -133,22 +133,45 @@ controller.setupWebserver(process.env.port || 3000, function(err, webserver) {
  controller.api.thread_settings.greeting('Hello! I\'m a Botkit bot!');
  controller.api.thread_settings.get_started('sample_get_started_payload');
  -controller.api.thread_settings.menu([
  +controller.api.thread_settings.menu(
  +[
  + {
  + "locale":"default",
  + "composer_input_disabled":true,
  + "call_to_actions":[
  {
  "type":"postback",
  "title":"Hello",
  - "payload":"hello"
  + "payload":"Hello"
  },
  {
  - "type":"postback",
  "title":"Help",
  - "payload":"help"
  + "type":"nested",
  + "call_to_actions":[
  + {
  + "title":"Help 1",
  + "type":"postback",
  + "payload":"Help 1"
  + },
  + {
  + "title":"History",
  + "type":"postback",
  + "payload":"HISTORY_PAYLOAD"
  + }
  + ]
  },
  {
  "type":"web_url",
  "title":"Botkit Docs",
  - "url":"https://github.com/howdyai/botkit/blob/master/readme-facebook.md"
  + "url":"https://github.com/howdyai/botkit/blob/master/readme-facebook.md",
  + "webview_height_ratio":"full"
  + }
  + ]
  },
  + {
  + "locale":"zh_CN",
  + "composer_input_disabled":false
  + }
  ]);
  controller.hears(['quick'], 'message_received', function(bot, message) {
  