change url

git-svn-id: https://plugins.svn.wordpress.org/bsk-pdf-manager/trunk@867764 b8457f37-d9ea-0310-8a92-e5e31aec5664
change plugin url

git-svn-id: https://plugins.svn.wordpress.org/bsk-pdf-manager/trunk@867768 b8457f37-d9ea-0310-8a92-e5e31aec5664