updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-frontpage-news/trunk@796073 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-frontpage-news/trunk@796074 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/wp-frontpage-news/trunk@796075 b8457f37-d9ea-0310-8a92-e5e31aec5664