We can handle the keys AudioRaiseVolume, AudioLowerVolume and AudioMute,
so we ask the X server to send the key press event for them to us and
update the volume appropriately.
Signed-off-by: Christophe CURIS <christophe.curis@free.fr>
Management of the configuration is split in many places, the goal is to
regroup stuff together, starting with the loading from file stuff.
Signed-off-by: Christophe CURIS <christophe.curis@free.fr>