Reordering readme sections

git-svn-id: https://plugins.svn.wordpress.org/nelio-featured-posts/trunk@1043444 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated readme

git-svn-id: https://plugins.svn.wordpress.org/nelio-featured-posts/trunk@1043445 b8457f37-d9ea-0310-8a92-e5e31aec5664