ref: change send command

mainwindow.h

@@ -73,12 +73,13 @@ signals:
                       HashComparer* hashComparer,
                       TCPClient *tcpClient);
 
-    void sigSendCommand(QString command);
+    void sigSendCommand(PacketType packetType);
     void sigSendXMLAnswer(QString answer);
     void sigUpdateFilesOnServer(QList<FileData> *fileSendList);
     void sigSetConnect(ServerSettings* serverSettings,QThread *thread);
     void sigCalculateHash();
     void sigSendAutorization();
+    void sigSendCheck();
     bool sigGetConnected();