global setting for rsvp cutoff day too

git-svn-id: https://plugins.svn.wordpress.org/events-made-easy/trunk@1002176 b8457f37-d9ea-0310-8a92-e5e31aec5664
remove unused vars

git-svn-id: https://plugins.svn.wordpress.org/events-made-easy/trunk@1002180 b8457f37-d9ea-0310-8a92-e5e31aec5664