tell people where to look; idea from miod

systems since it still has all the filesystems for vnd usage and thus
does not save much memory...
ok deraadt@

apmd(8); missing sysctl variable noticed by drahn@

to the appropriate sections. No functional change, except for the manpage
being nicer.

(like the Mac mini) have that many usb devs on board.
ok drahn@ dlg@ miod@

ok henning@

default .cshrc for root. This also eliminates the need to clear out
the dead directories and add new ones. Suggested by miod@.
ok miod@ millert@

add a few missing files and sort

ok henning@

"carp0 link up" => carp0.link.up
"and"           => &&
"or"            => ||
* Allow one line actions after if statements without braces.
* Remove unecessary parentheses in the example config.
ok mcbride@

in the case of ugen devices.
suggestions and ok todd@

parameter substitution.
ok todd@

OK deraadt@ and fgsch@

ok drahn@, deraadt@

committed from the ship while drinking a trad, from a zaurus on beck's birthday

Main features:
- MI hil drivers, allowing live plug/unplug of devices, and the keyboard
does not need to be at id 1 anymore.
- SGC bus support on 4xx models. SGC frame buffers are supported too, but
not as console, though you can use them as a regular glass terminal if
you run a getty on ttyC0. Currently not compiled-in, awaiting for an sti(4)
fix to be commited.
- HP-UX compatibility interfaces are removed. grfinfo and hilinfo are removed.
X11 support is currently broken by these changes; X.org X11R6 support will
be available very soon.
Tested on hyperion and 4 different flavours of catseye/topcat/kathmandu; other,
older frame buffers (davinci, gatorbox and renaissance) could not been tested
but should work; please report any regression.