readme update

git-svn-id: https://plugins.svn.wordpress.org/cuca-validator/trunk@1006210 b8457f37-d9ea-0310-8a92-e5e31aec5664
Readme update

git-svn-id: https://plugins.svn.wordpress.org/cuca-validator/trunk@1006211 b8457f37-d9ea-0310-8a92-e5e31aec5664
Readme update


git-svn-id: https://plugins.svn.wordpress.org/cuca-validator/trunk@1006213 b8457f37-d9ea-0310-8a92-e5e31aec5664