MFC: make sbsize a size instead of a number.
MFC: "-s" option to check size of installed package(s).
MFC: (rev 1.8 -> 1.9) Sshd writes connected host into utmp directly.
If the connection is via IPv6, the hostname is trimed due to the
length of IPv6 address.  This change saves it as possible.
I have a grudge against the shortage of UT_HOSTSIZE.
MFC rev 1.15 - 1.16: Fix inclusions and honour UT_NAMESIZE .
MFC: pull up to rev 1.44 .
- Adjust documentation for new soft updates copyright to match
  HEAD's NOTES.

PR:		19982
Submitted by:	Adam McDougall <bsdx@looksharp.net>

- Enable ``options SOFTUPDATES'' to match both, GENERIC and HEAD's NOTES.

Approved by:	roberto
MFC: 1.101 Avoid some vrele panics in rename.
MFC: 1.3 Avoid splitting ident requests across several packets.
MFC rev 1.60: fix a comment for TCPCTL_KEEPINIT.
MFC: Bring RELENG_4 into sync with -current.

        builtins.c 1.20         Allow ident to take -d without -r
        builtins.c 1.21         Replace send(..., MSG_EOF) with write(...)
        builtins.c 1.22         ident types cleanup
        builtins.c 1.23         more ident types cleanup
                                Remove switch for nonexistant -R flag
        builtins.c 1.24         ident multi-packet fixes
        inetd.8 1.49            clarify ident -d examples
        inetd.8 1.48            allow ident to take -d without -r
        inetd.8 1.47            typo fix
        inetd.c 1.81            use IPv4 mapped IPv6 address when requested
MFC: cross-reference mount_nfs(8) and showmount(8).
document serial console habits of AS2100[A].
various cleanups, point people to freebsd-alpha@
Make the default BUILDNAME contain "STABLE" to match this branch.

Approved by:	JKH
Document restrictions around PCI bridge chips on AS4100 & 8200

Submitted by:	Matthew Jacob <mjacob@feral.com>
MFC: doc change for reset/iosize/memsize and nit in syslog call.

util.c            1.15
pccard.conf.5     1.16

Forgotten by: imp
Submitted by: mihira-san <sanpei>
MFC: Document the builtin echo command
MFC: Port ppc driver to alpha
MFC: (rev 1.16 -> 1.17) If ipv6_enable is set to yes, do IPv6 setup
for PCCARD ethernet card.  This is still at staring point and end
node case only.
MFC:
  braces -> brackets for [ and ]
  brackets -> angle brackets for < and >
  clean up the text about creating usage() messages
  define what is meant by `braces' and `brackets'