Post-release updates.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/logging/trunk@1609298 13f79535-47bb-0310-9956-ffa450edef68
Update to current snapshot version.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/logging/trunk@1609299 13f79535-47bb-0310-9956-ffa450edef68