Release 2.28.8.8

git-svn-id: https://plugins.svn.wordpress.org/wp-lightbox-2/trunk@966742 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 2.28.8.8 final commit

git-svn-id: https://plugins.svn.wordpress.org/wp-lightbox-2/trunk@966743 b8457f37-d9ea-0310-8a92-e5e31aec5664