Fix the stable/10 hardware/article.xml to conform to
FDP style conventions.

Sponsored by:	The FreeBSD Foundation
Update the readme/article.xml to reflect send-pr(1) is
deprecated, and direct to Bugzilla.

Sponsored by:	The FreeBSD Foundation
Bump copyright year.

Sponsored by:	The FreeBSD Foundation
Fix the stable/10 hardware/article.xml to conform to
FDP style conventions.
Fix a few rendering issues, while here.

Sponsored by:	The FreeBSD Foundation
Fix the stable/10 errata/article.xml to conform to
FDP style conventions (as best as possible).

Sponsored by:	The FreeBSD Foundation