Added cURL support.

git-svn-id: https://plugins.svn.wordpress.org/spammers-suck/trunk@754238 b8457f37-d9ea-0310-8a92-e5e31aec5664
Removed extra slash from meta_admin_referer runonce field.

git-svn-id: https://plugins.svn.wordpress.org/spammers-suck/trunk@754240 b8457f37-d9ea-0310-8a92-e5e31aec5664