works with latest version 3.9.1

git-svn-id: https://plugins.svn.wordpress.org/rss-import/trunk@957420 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed plugin url

git-svn-id: https://plugins.svn.wordpress.org/rss-import/trunk@957422 b8457f37-d9ea-0310-8a92-e5e31aec5664