Mon, 06 Jul 2009 11:27:06 -0600close ZeroConf object when exiting the Service Discovery window.
btaylor@grond.willowglen.ab.ca [Mon, 06 Jul 2009 11:27:06 -0600] rev 357
close ZeroConf object when exiting the Service Discovery window.
(otherwise pythonw.exe does not exit when closing Beremiz on Windows)