changing readme

git-svn-id: https://plugins.svn.wordpress.org/baixar-apos-curtir-no-facebook/trunk@915687 b8457f37-d9ea-0310-8a92-e5e31aec5664
translated some parts of readme

git-svn-id: https://plugins.svn.wordpress.org/baixar-apos-curtir-no-facebook/trunk@915690 b8457f37-d9ea-0310-8a92-e5e31aec5664