Added repeating event functionality

git-svn-id: https://plugins.svn.wordpress.org/occasion/trunk@871810 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added repeating event functionality

git-svn-id: https://plugins.svn.wordpress.org/occasion/trunk@871811 b8457f37-d9ea-0310-8a92-e5e31aec5664