[packagekit] Callbacks on script completion/task finish

[Richard Hughes]

On Thu, 2008-01-10 at 00:51 +0100, Tom Parker wrote:
> Bit old now, but I still need this, and I've only just gotten around
> to actually writing a first implementation of this.
> 
> Thoughts? Can I commit?

Looks good to me. Maybe some more gtk-doc comments might be a good idea
for pk_backend_set_finished_spawn_thread explaining what it does and
why. Cheers.

Richard.