samba: update to samba-3.6.23

Signed-off-by: Stephan Raue <stephan@openelec.tv>
dvb-firmware: update to dvb-firmware-0.0.38

Signed-off-by: Stephan Raue <stephan@openelec.tv>
Merge branch 'master' of github.com:OpenELEC/OpenELEC.tv