Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Rather than using both -prune (which requires directory-first tree traversal)
and -delete (which implies depth-first traversal), avoid using -delete in
favour of -execdir.

This has a side-effect of not removing directories that contain files,
even if we delete all of those files, but IMHO that's a better option
than specifying all possible local filesystem types in this script.

PR: 122811
MFC after: 3 weeks

Fixed typo.

PR: bin/26836
Submitted by: Matthew Seaman <matthew.seaman@tornadogroup.com>

Handle multiple words in $daily_clean_disks_files

PR: 23805
Submitted mostly by: Norbert Papke <npapke@telus.net>

Remove a forgotten line

Submitted by: Philipp Mergenthaler <un1i@rz.uni-karlsruhe.de>

Another overhaul of the periodic stuff.

All periodic sub-scripts <larf> now have their return codes interpreted
by periodic(8). Output may be masked based on variable values in
periodic.conf.

It's also now possible to email periodic output to arbitrary addresses,
or to send it to a log file, examples of which can be found in
newsyslog.conf.

The upshot of it all should be no discernable changes to the default
behaviour of periodic(8).

PR: 21250

Correct variable spelling

PR: 20841

Introduce /etc/defaults/periodic.conf, similar in concept to rc.conf.
The only change in the default functionality should be that
the output reports are slightly more verbose WRT files deleted.

Not objected to by: freebsd-arch

$Id$ -> $FreeBSD$

Finally remove the ancient `-exec rm -f {} ;' cruft that used to be
used to cleanup old files, and replace it by -delete which has been
present in our find(1) for ages now.

This commit was generated by cvs2svn to compensate for changes in r28263,
which included commits to RCS files with non-trunk default branches.

Copy /etc/cron.d to /etc/periodic per-request of many.
This wasn't done with a repository copy because there was no
history of any consequence. Flames to me.