Update TAB to version 0.2.9

git-svn-id: https://plugins.svn.wordpress.org/twitter-account-box/trunk@966978 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update readme

git-svn-id: https://plugins.svn.wordpress.org/twitter-account-box/trunk@966980 b8457f37-d9ea-0310-8a92-e5e31aec5664