cleaning

refactore
all components now have a base class compnent for loop functions

src/main.cpp

@@ -135,19 +135,20 @@ void loop() {
     if (wifiIsActive) {
         DebugTimes wifiTime;
         Network::checkWiFi();
+        #ifdef MQTT
         bool err = Network::checkMQTT();
         if (!err)
             std::cout << "loop(): checkMQTT returns false" << std::endl;
+        #endif //MQTT
         wifiTime.stopConsol("WiFi-Time", 10);
     }
     driveManager->loop();
     controlPad->loop();
     main_m->update();
     lcdWrapper->loop();
+    mainBattery->loop();
 
-    bool newValues = mainBattery->loop();
-
-    if (newValues) {
+    if (mainBattery->isNewValue()) {
         static uint8_t batteryLowCounter = 0;
         if (mainBattery->isBatteryLow(10))
             batteryLowCounter++;