update p5-threads to 2.16
fix build
drop cvs2svn prop
fixup some properties.
Update various ports.
update to 1.75
update to 1.71
Update to 1.67
remove packlists from the plist of perl ports. We don't need packlists, we don't want packlists, and they contain the fake destdir.
Update p5-threads and p5-threads-shared to the most recent versions.
Add p5-threads, p5-threads-shared