Add missing license header.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/logging/trunk@1448250 13f79535-47bb-0310-9956-ffa450edef68
Update version info

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/logging/trunk@1448251 13f79535-47bb-0310-9956-ffa450edef68