[Modify] Polish it

Example3/Echo.cs

@@ -9,8 +9,7 @@ namespace Example3
     protected override void OnMessage (MessageEventArgs e)
     {
       var name = Context.QueryString["name"];
-      var msg = !name.IsNullOrEmpty () ? String.Format ("'{0}' to {1}", e.Data, name) : e.Data;
-      Send (msg);
+      Send (!name.IsNullOrEmpty () ? String.Format ("\"{0}\" to {1}", e.Data, name) : e.Data);
     }
   }
 }