1.6.0 Release Updates

git-svn-id: https://plugins.svn.wordpress.org/wp-backitup/trunk@868499 b8457f37-d9ea-0310-8a92-e5e31aec5664
1.6.0 updates

git-svn-id: https://plugins.svn.wordpress.org/wp-backitup/trunk@868502 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release version 1.6.0

git-svn-id: https://plugins.svn.wordpress.org/wp-backitup/trunk@868508 b8457f37-d9ea-0310-8a92-e5e31aec5664