Upload of PenguinSound changes

[Peter Burns <pcburns@zip.com.au>]

I have uploaded a new version of PenguinSound to ftpspace in the file
PenguinPlay-pcb19990611.tar.gz.

I moved the include files from PenguinPlay/Sound to PenguinPlay and
removed the PenguinPlay/Sound directory.

I added very simple Thread and Mutex classes supporting both pthreads
and windows threads.

I have removed the windows directory. The MSVC workspaces and projects
are now organised as below.

.\PenguinPlay.dsw
.\src\PenguinPlay.dsp
.\src\PenguinFile\PenguinFile.dsp 
.\src\PenguinSound\PenguinSound.dsp
.\src\PenguinSound\psound_test.dsp

PenguinFile.dsp does not build correctly as I am unsure of the libraries
and preprocessor definitions that it uses.

When I built my module player using the new version of PenguinSound
I get warnings about redefinitions of PACKAGE and VERSION as the
configuration header for PenguinPlay is included from
PenguinPlay/PenguinPlay.h and my module player also uses 
automake/autoconf with a configuration header.

I also added an acconfig.h for the stuff that was commented out 
in configure.in and uncommented the commented stuff.

Peter Burns