Updated to version 0.5.0

git-svn-id: https://plugins.svn.wordpress.org/kebo-twitter-feed/trunk@754836 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated to version 0.5.1

git-svn-id: https://plugins.svn.wordpress.org/kebo-twitter-feed/trunk@754837 b8457f37-d9ea-0310-8a92-e5e31aec5664