usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

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

Make WARNS=6 safe, mainly by casting to intmax_t and printing with %ju
where needed. Also, fix bad indentation on lines already affected by the
above changes.

Tested with: make universe

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.

Build usr.bin/ with WARNS=6 by default.

Also add some missing $FreeBSD$ to keep svn happy.

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

Remove NO_WERRORs and WARNS=n's. To be revisited after GCC3.

Fix the time of an intmax_t calculation; it is unsigned. Also print
it with the correct formatting (%ju, not %lld). GCC's -Wformat does
not understand this, so turn on NO_WERROR.

BSD 4.4 Lite Usr.bin Sources