New recipe: yow.lines

Download the old version of "yow.lines" for `yow'.  It was removed in
Emacs 22 because of copyright reasons.

See
* http://lists.gnu.org/archive/html/emacs-devel/2006-06/msg00290.html
* http://en.wikipedia.org/wiki/Zippy_the_Pinhead

Signed-off-by: Rüdiger Sonderfeld <ruediger@c-plusplus.de>
Merge pull request #1312 from ruediger/yow.lines

New recipe: yow.lines