Deleting old language files

git-svn-id: https://plugins.svn.wordpress.org/kebo-twitter-feed/trunk@777719 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated version to 0.9.4

git-svn-id: https://plugins.svn.wordpress.org/kebo-twitter-feed/trunk@777721 b8457f37-d9ea-0310-8a92-e5e31aec5664