lib: 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 .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

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

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.

Use ANSI function declarations in librpcsvc.

When compiling librpcsvc with LLVM, we get a compiler error, because
hexval() uses an ANSI prototype, but a K&R declaration. I could have
just changed hexval(), but I'd rather keep this consistent. It's not
that much code.

Submitted by: Pawel Worach <pawel worach gmail com>

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

clnt_call takes args of type xdrproc_t.

Add __FBSDID()s to librpcsvc

Step three: update librpcsvc for Secure RPC.

Reviewed by: Mark Murray