Updated plugin file

git-svn-id: https://plugins.svn.wordpress.org/subtitle-finder/trunk@998584 b8457f37-d9ea-0310-8a92-e5e31aec5664
For update

git-svn-id: https://plugins.svn.wordpress.org/subtitle-finder/trunk@998585 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated Readme file

git-svn-id: https://plugins.svn.wordpress.org/subtitle-finder/trunk@998586 b8457f37-d9ea-0310-8a92-e5e31aec5664