add fallback/strftime
Lib.pm: add _usage()
fallback/strftime: use Lib.pm
Lib.pm: use correct program name
fallback/strftime: use strict just because
add fallback/hostname
fqdn: don't need Net::hostent for such simple tasks
fqdn, fallback/hostname: simplify return
backup: split the global root backup filter
libcred.bash: logging
mklinux: hack to make syslinux boot the new kernel