Logs and Telemetry decorrelated. Telemetry helpers. Possibility to reset the altitude. Flash optimizations.

src/pers.cpp

@@ -299,6 +299,9 @@ void eeLoadModel(uint8_t id)
 #ifdef FRSKY
     resetTelemetry();
     FRSKY_setModelAlarms();
+#endif
+#ifdef LOGS
+    startLogs();
 #endif
   }
 }