Remove $FreeBSD$: two-line nroff pattern

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

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

mdoc: order prologue macros consistently by Dd/Dt/Os

Although groff_mdoc(7) gives another impression, this is the ordering
most widely used and also required by mdocml/mandoc.

Reviewed by: ru
Approved by: philip, ed (mentors)

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.

Sort sections.

Mechanically kill hard sentence breaks.

Add "-q" argument to setfmac and setfsmac to allow the patient but
exhausted reader not to see non-fatal warnings.

Mostly fixed the SYNOPSIS.

Add a sample specfile listing to FILES.

Obtained from: TrustedBSD Project
Sponsored by: DARPA, Network Associates Laboratories

Break setfmac.8 into two actual man pages, and reword bits of the
setfsmac(8) documentation.

Obtained from: TrustedBSD Project
Sponsored by: DARPA, Network Associates Laboratories