[web-bluetooth] new commits pushed by jyasskin

The following commits were just pushed by jyasskin to 
https://github.com/WebBluetoothCG/web-bluetooth:

* Export several definitions for use in the scanning spec.

* Bluetooth device
* same Bluetooth device
* get the BluetoothDevice representing a Bluetooth device
* fire an `advertisementreceived` event
  by Jeffrey Yasskin
https://github.com/WebBluetoothCG/web-bluetooth/commit/67d24913559e6f07436b86175096f4803d3d9605

Received on Saturday, 7 May 2016 02:13:49 UTC