readme file link change

git-svn-id: https://plugins.svn.wordpress.org/cr3ativ-sponsor/trunk@1000834 b8457f37-d9ea-0310-8a92-e5e31aec5664
last readme link change

git-svn-id: https://plugins.svn.wordpress.org/cr3ativ-sponsor/trunk@1000836 b8457f37-d9ea-0310-8a92-e5e31aec5664