Release Admin Columns 2.2.9

git-svn-id: https://plugins.svn.wordpress.org/codepress-admin-columns/trunk@1017401 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix version numbers for 2.2.9

git-svn-id: https://plugins.svn.wordpress.org/codepress-admin-columns/trunk@1017406 b8457f37-d9ea-0310-8a92-e5e31aec5664