Aggiorna file readme.txt per compatibilità 4.0.1

git-svn-id: https://plugins.svn.wordpress.org/rv-super-editors/trunk@1048055 b8457f37-d9ea-0310-8a92-e5e31aec5664
Aggiorna file readme.txt per compatibilità 4.0.1

git-svn-id: https://plugins.svn.wordpress.org/rv-super-editors/trunk@1048063 b8457f37-d9ea-0310-8a92-e5e31aec5664