first upload

git-svn-id: https://plugins.svn.wordpress.org/add-link-post/trunk@862742 b8457f37-d9ea-0310-8a92-e5e31aec5664
edit readme

git-svn-id: https://plugins.svn.wordpress.org/add-link-post/trunk@862905 b8457f37-d9ea-0310-8a92-e5e31aec5664
update url

git-svn-id: https://plugins.svn.wordpress.org/add-link-post/trunk@862967 b8457f37-d9ea-0310-8a92-e5e31aec5664