Synchronize versions

src/Shared/HandyControlDemo_Shared/App.xaml.cs

@@ -1,4 +1,6 @@
 using System;
+using System.Net;
+using System.Security.Authentication;
 using System.Windows;
 using HandyControl.Data;
 using HandyControl.Tools;
@@ -27,6 +29,7 @@ namespace HandyControlDemo
 #if !Core
             ConfigHelper.Instance.SetSystemVersionInfo(CommonHelper.GetSystemVersionInfo());
 #endif
+            ServicePointManager.SecurityProtocol = (SecurityProtocolType)(SslProtocols)0x00000C00;
         }
 
         protected override void OnExit(ExitEventArgs e)

src/Shared/HandyControlDemo_Shared/ViewModel/Main/NoUserViewModel.cs

@@ -1,6 +1,10 @@
 using System;
 using GalaSoft.MvvmLight;
+#if netle40
+using GalaSoft.MvvmLight.Command;
+#else
 using GalaSoft.MvvmLight.CommandWpf;
+#endif
 using GalaSoft.MvvmLight.Messaging;
 using HandyControlDemo.Data;
 using HandyControlDemo.Tools;