Fix conflict with wp-catalogue plugin

git-svn-id: https://plugins.svn.wordpress.org/custom-taxonomy-order-ne/trunk@1042928 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tag 2.5.8 as stable

git-svn-id: https://plugins.svn.wordpress.org/custom-taxonomy-order-ne/trunk@1042930 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update Readme

git-svn-id: https://plugins.svn.wordpress.org/custom-taxonomy-order-ne/trunk@1042938 b8457f37-d9ea-0310-8a92-e5e31aec5664