update gh-pages to 6dded4bd

commit 6dded4bd76897568a0cef83bfca5653ec8d6d268
Author: Richard Klancer <rpk@pobox.com>
Date:   Wed Apr 30 15:39:12 2014 -0400

    Land Mgmt: Brown grass when water is too low
    
    [#70095512]