New plugin version 1.4.1

git-svn-id: https://plugins.svn.wordpress.org/fb-comments-importer/trunk@1001252 b8457f37-d9ea-0310-8a92-e5e31aec5664
updating the readme file

git-svn-id: https://plugins.svn.wordpress.org/fb-comments-importer/trunk@1001256 b8457f37-d9ea-0310-8a92-e5e31aec5664