change visitor counter

git-svn-id: https://plugins.svn.wordpress.org/zeitplaner/trunk@748263 b8457f37-d9ea-0310-8a92-e5e31aec5664
import

git-svn-id: https://plugins.svn.wordpress.org/zeitplaner/trunk@748264 b8457f37-d9ea-0310-8a92-e5e31aec5664
import

git-svn-id: https://plugins.svn.wordpress.org/zeitplaner/trunk@748265 b8457f37-d9ea-0310-8a92-e5e31aec5664