- 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

Merge r257633:

- Add manual pages for capability rights (rights(4)), cap_rights_init(3)
family of functions and cap_rights_get(3) function.
- Update remaining Capsicum-related manual pages.

Sponsored by: The FreeBSD Foundation
Reviewed by: bdrewery
Approved by: re (glebius)

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

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

cap_new(2) and cap_getrights2) were replaced with cap_rights_limit(2)
and cap_rights_get(2) in r247602

Reviewed by: pjd
Approved by: gjb
Approved by: re (rodrigc)

Remove trailing comma.

Add a simple procdesc(4) man page describing "options PROCDESC" and the
high-level facility, supplementing pdfork(2) and friends. Update capsicum.4
to xref.

Suggested by: sbruno
MFC after: 3 days

General mdoc(7) and typo fixes.

PR: 167776
Submitted by: Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after: 3 days

Add an introductory Capsicum man page providing a high-level description of
its mechanisms, pointing at other pertinent man pages, and cautioning about
the experimental status of Capsicum in FreeBSD.

MFC after: 3 days
Sponsored by: Google, Inc.