html output for the widget

git-svn-id: https://plugins.svn.wordpress.org/daily-menu/trunk@1047024 b8457f37-d9ea-0310-8a92-e5e31aec5664
methods for getting the next menu

git-svn-id: https://plugins.svn.wordpress.org/daily-menu/trunk@1047026 b8457f37-d9ea-0310-8a92-e5e31aec5664