Upgraded domain name and added deprecated notice

git-svn-id: https://plugins.svn.wordpress.org/multi-level-navigation-plugin/trunk@1050460 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version number bump

git-svn-id: https://plugins.svn.wordpress.org/multi-level-navigation-plugin/trunk@1050464 b8457f37-d9ea-0310-8a92-e5e31aec5664