wip example/ring
Merge branch 'master' of github.com:cambridgehackers/xbsv
checking in items I was working on before. No idea what state they
are in.  Will figure it out now.
Merge branch 'master' of github.com:cambridgehackers/xbsv
Merge branch 'master' of github.com:cambridgehackers/xbsv
move examples/echo gen_echo to its own makefile, leaving a hook in the
top level makefile