2020-04-24 1.优化远程连接和控制，增加远程连接让用户等待的Loading提示。

JLChen

2020-04-24 126f59cbba2e1505c191b22c9794d810cdedb4c3

 Crabtree/ON.Ios/ViewController.cs

@@ -36,6 +36,8 @@
            //侦测网络变化
            Reachability.ReachabilityChanged += UpdateStatus;

            Shared.SimpleControl.EquipmentPublicClass.CheckLinkRemote ((int)internetStatus, false);

            UITapGestureRecognizer oTapRecognizer = new UITapGestureRecognizer ();
            oTapRecognizer.CancelsTouchesInView = false;
            oTapRecognizer.AddTarget (