Release 1.7.0 iOS 分离 OpenNotification 事件

Change Log:

iOS:

OpenNotification event Separated into OpenNotificationToLaunchApp and OpenNotification

OpenNotificationToLaunchApp event，fire when open notification and launch app。
OpenNotification event，fire when user click notification （available in iOS 10）。

var subscription = NativeAppEventEmitter.addListener(
  'OpenNotificationToLaunchApp',
  (notification) => console.log(notification)
);