Remove $FreeBSD$: one-line nroff pattern

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

mdoc sweep.

Fix style nit: don't use leading zero for dates in .Dd

Prompted by: brueffer
Approved by: brueffer
MFC after: 3 days

Add support for -z option for reading operations. It allows to not request
current values from device, but only receive changes.

MFprojects/hid:
Import the rest of HID improvements from the branch:
- improve report descriptor parser in libusbhid to handle several kinds of
reports same time;
- add to the libusbhid API two functions wrapping respective kernel IOCTLs
for reading and writing reports;
- tune uhid IOCTL interface to allow reading and writing arbitrary report,
when multiple supported by the device;
- teach usbhidctl to set output and feature reports;
- make usbhidaction support all the same item names as bhidctl.

Sponsored by: iXsystems, inc.

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.

The NetBSD Foundation has granted permission to remove clause 3 and 4
from their software.

Obtained from: NetBSD

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

Bump document date.

Nitpicked by: ru
MFC after: 1 week

Add option -x to display output values in hex in addition to decimal.

Sort sections.

Correct reference to a non existant man page.

Use `The .Nm utility'

Rename the ``name'' argument to ``item'' and mark it up as an argument.
Make use of the marked up argument to clarify the text in the DESCRIPTION
section.
Insert a missing word: ``the''.
Make the phrase in the BUGS section a full sentence.
Sort the cross-references in the SEE ALSO section correctly.

Add the usbhidctl utility, from NetBSD, by Lennart Augusst