PLIST and delete everything under the @sample'd directory instead of the
directory itself to prevent a warning from pkg_delete(1) trying to
remove a non existing directory and to help preventing left-over files
and directories.
- base on nethack 3.2.2, bump to 3.3.0 will have to wait (probably better
to port slash'em instead),
- use hackdata to avoid conflicts with nethack,
- proper packaging,
- x11/no x11 flavor,
- install recover,
- change manpages to differentiate from nethack,
- grab enough TERMINFO to handle color correctly (from nethack 3.3.0)