updated wordpress version after testing

git-svn-id: https://plugins.svn.wordpress.org/advertising-manager/trunk@962997 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated version in readme

git-svn-id: https://plugins.svn.wordpress.org/advertising-manager/trunk@962999 b8457f37-d9ea-0310-8a92-e5e31aec5664