Document r265236, addition of mpr(4).

Sponsored by:	The FreeBSD Foundation
Document r265348, Atheros AR1111 support.

Sponsored by:	The FreeBSD Foundation
Move r265348 to 'net-if' section.

Sponsored by:	The FreeBSD Foundation
Sort entries by svn revision as oldest-newest to match
entry order in other branches.

Sponsored by:	The FreeBSD Foundation
Add svn revision number to sendmail entry and wrap
line.
Fix capitalization of Sendmail.

Sponsored by:	The FreeBSD Foundation