just update the readme.txt

git-svn-id: https://plugins.svn.wordpress.org/optin-revolution/trunk@957123 b8457f37-d9ea-0310-8a92-e5e31aec5664
just update the readme.txt

git-svn-id: https://plugins.svn.wordpress.org/optin-revolution/trunk@957124 b8457f37-d9ea-0310-8a92-e5e31aec5664