Adding a widget

git-svn-id: https://plugins.svn.wordpress.org/ibs-calendar/trunk@1036941 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adding widget

git-svn-id: https://plugins.svn.wordpress.org/ibs-calendar/trunk@1036943 b8457f37-d9ea-0310-8a92-e5e31aec5664