- 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

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

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

tabify

MFC after: 3 weeks

Change the pam_ssh examples: if you use it, you probably want want_agent.

MFC after: 3 weeks

Add a system policy, and have the login and su policies include it rather
than duplicate it. This requires OpenPAM Dianthus, which was committed two
weeks ago; installing these files on a system running a world older than
June 1st, 2003 will cause login(1) and su(1) to fail.