butch relocate: copy symlinks to dirs rather than creating them
add abiword and sylpheed to gui metapkg
busybox: create shell scripts rather than symlinks to applets

closes #116
mdev.conf: allow audio group members to access audio devs
butch update: do not update stage0 packages

closes #113
add butch-owner subcommand
scrot: the screenshot tool
scrot: add mirror, deps, clean up