message: dancers: handle app roles event
diff: @@ -366,6 +366,14 @@ function Facebookbot(configuration) {
  };
  facebook_botkit.trigger('facebook_account_linking', [bot, message]);
  + } else if (facebook_message.app_roles) {
  + var message = {
  + page: facebook_message.recipient.id,
  + timestamp: facebook_message.timestamp,
  + app_roles: facebook_message.app_roles
  + };
  +
  + facebook_botkit.trigger('facebook_app_roles', [bot, message]);
  } else {
  facebook_botkit.log('Got an unexpected message from Facebook: ', facebook_message);
  }
  