Updated options.php to load default jquery script and changed contextual help

git-svn-id: https://plugins.svn.wordpress.org/mlr-timeline/trunk@814936 b8457f37-d9ea-0310-8a92-e5e31aec5664
jquery load change function

git-svn-id: https://plugins.svn.wordpress.org/mlr-timeline/trunk@814937 b8457f37-d9ea-0310-8a92-e5e31aec5664