Growl support

[Jeff Mitchell]

Casey Link wrote:
> Our OSD is essentially just a styled kpassive popup that is usually
> displayed in the middle of the screen, as opposed to near the system
> tray. I'm not sure what there is to factor out.

The styling and such is exactly what makes our OSD possibly worth
factoring out.

> The plasma team has been trying to get a desktop independent
> notification standard worked out for awhile now, with not much
> success. That's really what needs to happen :\

I know.  But nothing has come of it.  In the mean time, we already have
a system to display notifications, regardless of what standard it is
conforming to.  Why not use it?

--Jeff