Updated readme

git-svn-id: https://plugins.svn.wordpress.org/event-calendar-ticketing/trunk@773647 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/event-calendar-ticketing/trunk@773648 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/event-calendar-ticketing/trunk@773649 b8457f37-d9ea-0310-8a92-e5e31aec5664