lirc: dont start lircd if 'lircd_driver' and/or 'lircd_conf' is empty, thanks to user 'gda'

Signed-off-by: Stephan Raue <stephan@openelec.tv>
bluez: update to bluez-5.16

Signed-off-by: Stephan Raue <stephan@openelec.tv>