Fixed link to widgets from options page.

git-svn-id: https://plugins.svn.wordpress.org/adplugg/trunk@1028790 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added help link to options page

git-svn-id: https://plugins.svn.wordpress.org/adplugg/trunk@1028791 b8457f37-d9ea-0310-8a92-e5e31aec5664