code cleanup

git-svn-id: https://plugins.svn.wordpress.org/atcontent/trunk@890183 b8457f37-d9ea-0310-8a92-e5e31aec5664
tags rotation

git-svn-id: https://plugins.svn.wordpress.org/atcontent/trunk@890184 b8457f37-d9ea-0310-8a92-e5e31aec5664