turon off logging
Is there any way to turn off logging ?
It's so much noise in the console and i can't read anything.

```
[4c:65:a8:dd:7f:c9] Discovered peripheral
      Id: 4c65a8dd7fc9
      LocalName: MJ_HT_V1
      rssi: 0
      serviceData: 5020aa018dc97fdda8654c0d100421017702
[4c:65:a8:dd:7f:c9] Discovered peripheral
      Id: 4c65a8dd7fc9
      LocalName: MJ_HT_V1
      rssi: -85
      serviceData: 5020aa018ec97fdda8654c0410022101
[4c:65:a8:dd:7f:c9] Discovered peripheral
      Id: 4c65a8dd7fc9
      LocalName: MJ_HT_V1
      rssi: -84
      serviceData: 5020aa018fc97fdda8654c0d100422017702
[4c:65:a8:dd:7f:c9] Discovered peripheral
      Id: 4c65a8dd7fc9
      LocalName: MJ_HT_V1
      rssi: -79
      serviceData: 5020aa0191c97fdda8654c0d100423017702
.....
```