screensaver and power manager dbus interfaces

[Bastian, Waldo]

>Next to that, care should be taken when using dbus in
security-sensitive
>applications, like a screensaver -> the always returning "abort when
bus
>crashes" issue. You cant allow a screensaver to abort at any time,
>certainly not because of some external service.

Does the current dbuslib implementation allow you to specify what to do
when the dbus connection gets dropped? If not, then I think that should
be added.

Cheers,
Waldo