updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-noexternallinks/trunk@1041136 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-noexternallinks/trunk@1041139 b8457f37-d9ea-0310-8a92-e5e31aec5664