Added delete function under 'Bulk Actions'.

git-svn-id: https://plugins.svn.wordpress.org/setcron/trunk@934376 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added delete function under 'Bulk Actions'.

git-svn-id: https://plugins.svn.wordpress.org/setcron/trunk@934377 b8457f37-d9ea-0310-8a92-e5e31aec5664