Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

mdoc sweep.

- Rewrite radius servers traversal algorithm.
- Add functions for working with IPv6 attributes.

Approved by: ae

A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.

mdoc: drop redundant .Pp and .LP calls

They have no effect when coming in pairs, or before .Bl/.Bd

Create the altix project branch. The altix project will add support
for the SGI Altix 350 to FreeBSD/ia64. The hardware used for porting
is a two-module system, consisting of a base compute module and a
CPU expansion module. SGI's NUMAFlex architecture can be an excellent
platform to test CPU affinity and NUMA-aware features in FreeBSD.

- Import the HEAD csup code which is the basis for the cvsmode work.

Mechanically kill hard sentence breaks.

mdoc(7) police: removed HISTORY info from the .Os call.

Prepare for mdoc(7)NG.

Use Fx macro wherever possible.

Add support for RADIUS accounting. Note, this changes the format
of the /etc/radius.conf file. But the code contains hacks for
backward compatibility, so old files will continue to work.

I updated the man pages and made a couple of minor changes, but
everything else was submitted by Oleg.

PR: misc/14284
Submitted by: Oleg Semyonov <os@altavista.net>

$Id$ -> $FreeBSD$

Add $Id$, to make it simpler for members of the translation teams to
track.

The $Id$ line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;

.\" $Id$
.\"

If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.

Approved by: bde

Initial import of RADIUS client library donated by Juniper Networks, Inc.