Add sample experimental patch to show "make apply", "make unapply", "make...

Add sample experimental patch to show "make apply", "make unapply", "make patchlist", and "make update" targets


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5166 65c4cc65-6c06-0410-ace0-fbb531ad65f3