sync with changes in relayd, diff by reyk@ and okayd by me
Adjust the medium auto scale after looking at how it performs between the
low and high ends of the disk sizes it applies to; with otto
adjust the numbers for the "big" auto-allocation scheme with otto
no more need for ftp -T option, since it is automatic now
No need to say that we setup the timezone; the user can assume it happens because we move on to the next task
figure out titles automatically by using remote file name.  remove
-T and just show titles by default for non-verbose transfers;
discussed with, ok theo, sthen@
- check equality with '==', from skreuzer@exit2shell.com
- unbreak, since -r was removed from disklabel(8)

ok otto@
Prevent panic upon detach if the device didn't fully attach.

ok marco@
do not tset if the terminal is already xterm; ok matthieu guenther
Remove unused _hostname[] variable. ok millert@
embellish usage now that -T has been removed.
Update to tzdata2009g from elsie.nci.nih.gov
- restructure the ANCHORS section
- no need to escape quotes within displays
Disable EV_READ when setting F_QUIT flag up. Malicious client may
send more commands after QUIT, these must not be processed; ok gilles@
check message_id received from smtp uses valid format.
session_cleanup call in MAIL FROM handler may be removed as a
consequence of rev. 1.70. This makes session_destroy the only
caller so merge the two; ok gilles@
fix unlikely fd leak; ok gilles@
turning pmap_deactivate into a NOP brought back the reaper panics, probably
because the reaper is running on the mappings of pmap from the process it
is about to unmap.  back it out until ht is fixed right; don't let this sit
in the tree waiting for a fix.
if we netbooted (i.e. ifconfig -g netboot doesn't return an error),
select ftp rather than cd by default.
make -v option apply also to implicit default socket