Added PulseAudio sound driver

[Rémi Assailly]

[resent]
Let's see.

>> This feature has been confirmed by popular vote at
>> http://bugs.winehq.org/show_bug.cgi?id=10495
> They should stop voting for a redundant feature.

Nobody submitted to wine-patches before, I prefer let Alexandre choose
what he wants to do with it.

> If they want to have it they should help make the patch *PERFECT*.  
> That's about the only chance the patch has to get in.

So, while your work is not perfect but working you never try to submit
it. Direct X support is not *PERFECT*, wine is not *PERFECT*, but you
can use it and improve it.