- Copy stable/10@285827 to releng/10.2 in preparation for 10.2-RC1
builds.
- Update newvers.sh to reflect RC1.
- Update __FreeBSD_version to reflect 10.2.
- Update default pkg(8) configuration to use the quarterly branch.[1]

Discussed with: re, portmgr [1]
Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC 284709:
Call /etc/crontab the "system crontab", not "root's crontab". While
here, fix some other wording issues

Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

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

atrun(8): scale default load average limit with the number of CPUs

Previously atrun refused to run jobs if load average was not below fixed limit of 1.5.

PR: 173175
Reviewed by: peterj
Approved by: trasz (mentor)
MFC after: 2 weeks

Note PAM support in atrun(8).
Sort FILES section while there.
Touch document date.

Removed trailing whitespace.

mdoc(7) police: Deal with self-xrefs.

mdoc(7) police: removed HISTORY info from the .Os call.

mdoc(7) police: split punctuation characters + misc fixes.

mdoc(7) police: removed history info from the .Os FreeBSD call.

$Id$ -> $FreeBSD$

Clean up some .Os macro uses: quotes are not needed, multiple arguments
don't really work if the first one isn't "FreeBSD", and "FreeBSD-Experimental"
isn't an OS name.

Clean up grammar. Provide proper pathnames for spool directories.
Document dependency on current load average for starting new batch jobs.

PR: 7109

Cosmetic in error strings. Sort Xrefs. Add usage (with syslog capability).

Revert $FreeBSD$ to $Id$

Make the long-awaited change from $Id$ to $FreeBSD$

This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.

Upgrade.
Close security holes reported.