Checken Version 1.7.0

git-svn-id: https://plugins.svn.wordpress.org/wp-backitup/trunk@929558 b8457f37-d9ea-0310-8a92-e5e31aec5664
Release 1.7.1

git-svn-id: https://plugins.svn.wordpress.org/wp-backitup/trunk@929562 b8457f37-d9ea-0310-8a92-e5e31aec5664