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

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

Remove typos, tabs-after-spaces and EOL whitespace. Convert to UTF-8.

Fix typo in the BSD copyright: s/withough/without/

Spotted and suggested by: des
MFC after: 3 weeks

Initiate deorbit burn sequence for <machine/console.h>.

Replace all in-tree uses with necessary subset of <sys/{fb,kb,cons}io.h>.
This is also the appropriate fix for exo-tree sources.

Put warnings in <machine/console.h> to discourage use.
November 15th 2000 the warnings will be converted to errors.
January 15th 2001 the <machine/console.h> files will be removed.

-Wall.

Reviewed/approved by: sos

- This is the new version of libvgl jointly developed by sos and I.
It adds new functions and extend some structures and can handle
VESA modes.
- Update the man page.
- Bump the library version number.

(The old version will be added to compat3x.)

$Id$ -> $FreeBSD$

Add a little example on libvgl usage.