SensorManager

Invalid date

- record download when memory full fixed
- bt reconnect bug fixed
- record downloads bug fixed
- Firmware v2013 included (Analog output optimized)
- analog and digital output can be set now also to yd³/h and yd³/min
- Firmware v113 included (Analog output optimized)
- Empty belt calibration window not closing fixed
- timings optimized
- flowrate unit changed from lb/h to lb/min