Update documentation URL

Constify struct cfattach.

ok miod@

Pretty dmesg output on attach and error handling.
Prodded by deraadt; ok dlg derradt

rework sensor tasks to use the kernels generic workq rather than a special
kernel thread of its own. the api has changed (which will be fixed in the
manpage shortly) so all the users of sensor tasks

rework sensor tasks to use the kernels generic workq rather than a special
kernel thread of its own. the api has changed (which will be fixed in the
manpage shortly) so all the users of sensor tasks that i can find have
been fixed too.

noone tested, so its going in to force people to run with it.
"put it in" deraadt@

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split userland & kernel struct sensor/sensordev so that the addition
of new fields in the future is less disruptive. This is done similar
to how struct proc is handled for ps(1). ok jmc (man page c

split userland & kernel struct sensor/sensordev so that the addition
of new fields in the future is less disruptive. This is done similar
to how struct proc is handled for ps(1). ok jmc (man page changes)
tested fkr simon, and more suggestions from millert

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adapt to new two-level sensor api; Constantine A. Murenin

Replace SENSOR_ADD() macro with a pair of functions
sensor_add()/sensor_del() so that sensors can be attached
and detached dynamicaly.

ok kettenis@ deraadt@ dlg@

set correct delay() value after executing the `read version' command;

work in progress on the Apple Sudden Motion Sensor found in recent
PowerBooks and iBooks, driver is commented out for now;
with prodding, help and ok from kettenis@, ok deraadt@.