lib/util.php: Quoted printable in headers is quite tricky.
Since vacation does not know how to handle mail header quoted printable,
avoid nested quoting by moving $SUBJECT outside of quoted parts.

lib/ws-vacation.conf.in: turn magic_quotes_gpc off (what a drag :))

test/send-test-mail.sh: send test mail through vacation.
test/qp-check.php: test quoted printable.