polypaudio -> esound

[Daniel Robitaille]

>> While I do realize that this is a good decision and quite logical given
> > the influx of users who had problems when polyaudio was introduced, I
> > can't help but wonder, was I the only person who found polyaudio to be
> > an improvement?
> 
> No, you weren't.  There were definitely improvements in polypaudio, which is
> why we tried it out for Hoary, but overall it was not in good enough shape
> for the Hoary release.

will the packages stay around in the official Hoary?  If so, then an
user could in theory stick to polypaudio instead of esound if they
wish, and if it works better for them.  Or it's not going to be a good
idea?