Release version 3.1.1

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1019017 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 3.1.1

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1019023 b8457f37-d9ea-0310-8a92-e5e31aec5664
New readme.txt

git-svn-id: https://plugins.svn.wordpress.org/notify-users-e-mail/trunk@1019030 b8457f37-d9ea-0310-8a92-e5e31aec5664