[network] fixes

src/app/haxe/ru/m/puzzlez/net/Network.hx

@@ -28,7 +28,7 @@ import ru.m.puzzlez.proto.pack.Response;
             user = new UserProto().setName('Anonimus #${UUID.generateRandom(new Random()).toString().split("-").shift()}');
             storage.write(USER_KEY, user);
         }
-        connection = ConnectionFactory.buildClientConnection("127.0.0.1", 6000, Response);
+        connection = ConnectionFactory.buildClientConnection("127.0.0.1", 5000, Response);
         connection.handler.connect(onConnectionChange);
         connection.receiveHandler.connect(onReceivePacket);
         connection.connect();

src/app/haxe/ru/m/puzzlez/view/StartFrame.hx

@@ -62,7 +62,7 @@ import ru.m.update.Updater;
                 updateButton.visible = true;
                 updateButton.text = 'Update ${info.version}';
             }
-        });
+        }).catchError(error -> L.w('Update', 'failed: ${error}'));
     }
 
     private function sourceViewFactory(index:Int, source:ImageListSource):ButtonView {