Version 1.3.3

git-svn-id: https://plugins.svn.wordpress.org/comment-popularity/trunk@1013812 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fix markdown in readme

git-svn-id: https://plugins.svn.wordpress.org/comment-popularity/trunk@1013817 b8457f37-d9ea-0310-8a92-e5e31aec5664