bump junit to 4.8.1
bump junit to 4.8.1

git-svn-id: 84334937b86421baa0e582c4ab1a9d358324cbeb@919185 13f79535-47bb-0310-9956-ffa450edef68

apache/shindig,apache/shindig,apache/shindig,apparentlymart/shindig,apparentlymart/shindig,apparentlymart/shindig,apache/shindig,apparentlymart/shindig,apache/shindig