Fix datepicker

git-svn-id: https://plugins.svn.wordpress.org/open-table-widget/trunk@1021698 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update version number in php header

git-svn-id: https://plugins.svn.wordpress.org/open-table-widget/trunk@1021699 b8457f37-d9ea-0310-8a92-e5e31aec5664