QNX: Emiting HostPoweredOff when BT is shut down

Change-Id: I14d01fb7ec6795a31ac9f239d34f3f02fd0880b5
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
QNX: Use default adapter for default constructed BT address

Change-Id: I738d77861199ab3ff27f989936daf50c4b2a8202
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>