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)

As previously discussed, add the svn:executable property to all scripts

Sleep for one second after calling audit -t to give the audit daemon a
chance to actually terminate the audit service and exit. Otherwise, on
an rc.d/auditd restart, the new audit daemon instance may try to start
auditing while the previous session is still running. Likewise, this
ensures a chance for auditd to terminate the audit trail at system
shutdown.

Perhaps more ideally, the script would wait synchronously for auditd to
exit rather than for an arbitrary but short period of time.

MFC after: 3 days
Obtained from: TrustedBSD Project

Sync to p4:

o Add shutdown KEYWORD;
o Remove PID check;
o Stop auditd with '-t'
o General cleanup.

Add auditd rc.d script.

Submitted by: trhodes
Obtained from: TrustedBSD Project