tidy: fix -devel: set rdeps, move .so symlink.
fatrace: revbump to force autobuilds.
nmh: fix conf_files: it expects abs paths.
unclutter: set license to "Public Domain" for consistency.
Merge pull request #457 from chneukirchen/chris2

plan9port: forgot perl dependency, don't package .hg tree
netpbm: create lib and devel subpkgs; use our CFLAGS; use hostmakedepends.
New package: python-msgpack-0.4.2
New package: attic-0.13