multilingualization

git-svn-id: https://plugins.svn.wordpress.org/wp-facebook-like-ranking/trunk@821245 b8457f37-d9ea-0310-8a92-e5e31aec5664
update

git-svn-id: https://plugins.svn.wordpress.org/wp-facebook-like-ranking/trunk@821246 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme

git-svn-id: https://plugins.svn.wordpress.org/wp-facebook-like-ranking/trunk@821247 b8457f37-d9ea-0310-8a92-e5e31aec5664