backup now now avoids WP scheduler

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@920167 b8457f37-d9ea-0310-8a92-e5e31aec5664
request token option name

git-svn-id: https://plugins.svn.wordpress.org/updraftplus/trunk@920168 b8457f37-d9ea-0310-8a92-e5e31aec5664