- 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

Spelling fixes for usr.sbin/

Quiet clang warnings by using literal format strings for printf-like
functions.

Begin basic improvements to fwcontrol in the area of handling
video streams from cameras.

This patch changes the displayed timer to a time stamp and corrects
one or two mishandled errors.

Submitted by: imp

Reviewed by: (Dieter)freebsd@sopwith.solgatos.com
Approved by: slong scottl@samsco.org
MFC after: 2 weeks

Final cleanup of fwcontrol.
NetBSD compatibility
Cleanup errors in usage() display
Finish up error handling via errx/warnx
Generate error on unparsed command line syntax
Change device(devbase) to open into the form /dev/fwX.X

Add MPEG2-TS/HDV support to fwcontrol.

Submitted by: Petr Holub" <hopet@ics.muni.cz>
Clean up by: mi@
Pr: 98134