- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

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

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.