v1.8.5

git-svn-id: https://plugins.svn.wordpress.org/wp-performance-pack/trunk@984718 b8457f37-d9ea-0310-8a92-e5e31aec5664
tested up to 4.0

git-svn-id: https://plugins.svn.wordpress.org/wp-performance-pack/trunk@984719 b8457f37-d9ea-0310-8a92-e5e31aec5664