autolaunch uuid support

[Havoc Pennington]

Thiago Macieira wrote:
> Huh? How come? The _dbus_abort patch doesn't look good to me! :-)
>
> I just did it to make it compile for me. The problem was introduced by 
> your "shared connection fixes" patch of earlier today. But I didn't 
> investigate anything.

I think I just made _dbus_abort() be used elsewhere besides in 
dbus_assert, so now with assertions disabled we still need it. So just 
removing the conditional build is right, no?

Havoc