[feature request] Allow for multiple JACK outputs (ie: one jack output by patch)

[trebmuh]

As I'm going through reading the mailing lists archives for petri-foo & specimen, I'll be putting some link which can be of interest here.
http://zhevny.com/pipermail/specimen/2006-July/000003.html
http://zhevny.com/pipermail/specimen/2006-July/000005.html
http://zhevny.com/pipermail/specimen/2007-January/000054.html
http://zhevny.com/pipermail/specimen/2007-September/000139.html
http://zhevny.com/pipermail/specimen/2007-September/000140.html
http://zhevny.com/pipermail/specimen/2007-September/000144.html
http://zhevny.com/pipermail/specimen/2010-April/000229.html
http://zhevny.com/pipermail/specimen/2010-April/000236.html
http://zhevny.com/pipermail/specimen/2011-June/000257.html
http://sourceforge.net/p/petri-foo/mailman/petri-foo-devel/?limit=100&viewmonth=201206