new datepicker version and first day of the week in datepicker too

git-svn-id: https://plugins.svn.wordpress.org/events-made-easy/trunk@1003513 b8457f37-d9ea-0310-8a92-e5e31aec5664
new datepicker version and first day of the week in datepicker too

git-svn-id: https://plugins.svn.wordpress.org/events-made-easy/trunk@1003515 b8457f37-d9ea-0310-8a92-e5e31aec5664