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

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

mdoc: fix column names, indentation, column separation within each row, and
quotation. Also make sure we have the same amount of columns in each row as
the number of columns we specify in the head arguments.

Reviewed by: brueffer

Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while
translating these manual pages. Minor corrections by me.

Submitted by: Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>

[mdoc] add missing space before a punctuation type argument.

- Stop talking about non-FreeBSD stuff (mostly because it's hard
to keep this info up-to-date as time goes by).
- Revise the markup.

Add the lmcconfig tool for controlling the lmc driver. Add man pages and
glue.

Submitted by: David Boggs