Fixed version

git-svn-id: https://plugins.svn.wordpress.org/simple-rating/trunk@845848 b8457f37-d9ea-0310-8a92-e5e31aec5664
Fixed readme

git-svn-id: https://plugins.svn.wordpress.org/simple-rating/trunk@845849 b8457f37-d9ea-0310-8a92-e5e31aec5664