more backup now options, more restorer flexibility

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@776336 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated pot file

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@776339 b8457f37-d9ea-0310-8a92-e5e31aec5664