Remove $FreeBSD$: one-line .h pattern

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

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

lib: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

Check l2cap socket initialisation and define L2CAP_SOCKET_CHECKED
This will fix build.

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.

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

Fix bug in handling SDP continuation state.

Reported by: Eric Millbrandt emillbrandt at coldhaus dot com
MFC after: 3 days

Add workaround for {not so|too} smart phones that cannot handle SDP attribute
ID ranges that consist of exactly one attribute ID. libsdp(3) will check start
and end of the attribute ID range and if they are the same the range will be
collapsed to one atribute ID.

The problem was observed on Audiovox SMT5600 and Palm Treo 650.

MFC after: 3 days

Add extra sanity check for SDP packets in libsdp(3)
Fix yet another endianess bug in sdpd(8)

Import sdpd(8) sources. This is Bluetooth Service Discovery Protocol daemon.
Extend libsdp(3) API to allow service registration and removal.
Fix uninitialized variable bug in sdpcontrol(8).

Reviewed by: imp (mentor)
No objection: ru

Prepare libsdp(3) for the upcoming sdpd import
Also while i'm here s/u_int/uint

Reviewed by: imp (mentor), ru

revert previous change. we don't need to include types.h.

Switch Advanced Sockets API for IPv6 from RFC2292 to RFC3542
(aka RFC2292bis). Though I believe this commit doesn't break
backward compatibility againt existing binaries, it breaks
backward compatibility of API.
Now, the applications which use Advanced Sockets API such as
telnet, ping6, mld6query and traceroute6 use RFC3542 API.

Obtained from: KAME

Update Bluetooth code.

Reviewed by: M. Warner Losh <imp@bsdimp.com>; John Hay <jhay@freebsd.org>
Approved by: M. Warner Losh <imp@bsdimp.com> (mentor)