Plugin house cleaning

git-svn-id: https://plugins.svn.wordpress.org/dukagate/trunk@934435 b8457f37-d9ea-0310-8a92-e5e31aec5664
New screenshot

git-svn-id: https://plugins.svn.wordpress.org/dukagate/trunk@934437 b8457f37-d9ea-0310-8a92-e5e31aec5664