Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.Approved by: re (implicit)Sponsored by: The FreeBSD Foundation
typo: Michale -> MichaelApproved by: re (scottl)
Markup nits, and fix sentences to start from a capital letter.
Fix typos.
Updates for revised ath and net80211 support; the new man pages areplaceholders for real material.