- 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 r284386:
Fix name of a constant.

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

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

Remove the advertising clause from the Regents of the University of
California's license, per the letter dated July 22, 1999.

Remove trailing whitespace per mdoc lint warning

Disussed with: gavin
No objection from: doc
Approved by: joel
MFC after: 3 days

Miscellaneous mdoc, spelling and inconsistency fixes.

PR: 142573, 142576 (mostly)
Submitted by: brucec
MFC after: 1 week

Major cleanup: mdoc macros, style, typos etc.

Fix include declaration it was sys/sctp.h should be netinet/sctp.h,
reported by pluknet@gmail.com.

First cut of the sctp man pages. Still need work.