Javadoc.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/pool/trunk@1647442 13f79535-47bb-0310-9956-ffa450edef68
Added 2.3 release description.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/pool/trunk@1647447 13f79535-47bb-0310-9956-ffa450edef68
Updated for 2.3 release.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/pool/trunk@1647449 13f79535-47bb-0310-9956-ffa450edef68
Updated for 2.3 release.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/pool/trunk@1647450 13f79535-47bb-0310-9956-ffa450edef68