updating readme

git-svn-id: https://plugins.svn.wordpress.org/front-end-post-edit/trunk@1006499 b8457f37-d9ea-0310-8a92-e5e31aec5664
updating readme

git-svn-id: https://plugins.svn.wordpress.org/front-end-post-edit/trunk@1006502 b8457f37-d9ea-0310-8a92-e5e31aec5664