Guo-Rong

I've found one way to reproduce: * pair camera * delete from furble * start scan * start camera * realise old pair is still on camera * delete from...

Hmm, I cannot reproduce this any other way. Leaving this here to keep an eye on it.

I've encountered this again, where the pairing data changes but `furble` doesn't see it. I've managed to track it down to some odd handling with the underlying Bluetooth LE library...

> I can also see the same problem where the scan is started first and then the camera placed in pairing mode that the Furble will not detect the camera....

This change is a pre-cursor to support porting to Bluedroid, in itself a pre-cursor to gaining access to Bluetooth Classic. Ultimately, this is all required to 'just' add GPS support...

> [@gkoh](https://github.com/gkoh) Looks like espressif added this back after it was removed years ago, [espressif/esp-nimble#7](https://github.com/espressif/esp-nimble/pull/7) I will look to remove this here, again, for now I suggest you comment that...

> What happens if you disable the privacy config, just edit the file? So I hard coded as: ``` #define MYNEWT_VAL_BLE_HOST_BASED_PRIVACY (0) ``` and initial pair/bond works, but a subsequent...