Added donate link.

git-svn-id: https://plugins.svn.wordpress.org/hide-this/trunk@870402 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added donate text.

git-svn-id: https://plugins.svn.wordpress.org/hide-this/trunk@870403 b8457f37-d9ea-0310-8a92-e5e31aec5664