Add /usr/local/... to various paths.
hier.7: Add some bits about /usr/dports and /usr/local.
hier.7: Adjust date.
Bring in a dports(7) manual page.

It is based on FreeBSD's ports(7) manpage with some adjustments.
jme: Update manpage
Merge branch 'master' into gsocdrm_alter
split(1): Use dehumanize_number(3) for -b.
split(1): Retain previous error message.
Merge branch 'master' into gsocdrm_merger