Update to 1.0.
New features for 1.0:
* pkg_genplist has a new run-mode which checks and reports pkg-plist
of current port is correct and what files and/or dirs are missing
* pkg_trackinst got new option that handles +INSTALL, +DEINSTALL,
+DISPLAY files of pkgdb.
* pkg_genplist can be set to write new pkg-plist file with another
file name than "pkg-plist" with -o option.