Update my about info.

Update my about info.

	* lisp/about.el (about-current-release-maintainers): Promote Horst
	to the lofty level of "current dev".
	Put Erik and Hynek into "other"

	* lisp/about.el (about-other-current-hackers): Horst to current;
	Erik and Hynek to other.

	* lisp/about.el (about-url-alist): Add a couple more of my URLs.

	* lisp/about.el (about-personal-info): Updated my bio, added a
	couple more URLs, and a dash of colour.

	* etc/photos/steve.png: Update

	* etc/photos/stevem.png: Update

Signed-off-by: Steve Youngs <steve@sxemacs.org>