BluetoothScanner

interface BluetoothScanner

scanForDevice	`abstract fun scanForDevice(macAddress: String): Single<GattConnection>` Scans for a device with a specific mac address
scanForDevices	`abstract fun scanForDevices(): Observable<GattConnection>` Scans for devices
scanForName	`abstract fun scanForName(name: String): Observable<GattConnection>` Scans for devices matching a specific name