Update for recent changes to pool API

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1506568 13f79535-47bb-0310-9956-ffa450edef68
Java 7. Use <>

git-svn-id: http://svn.apache.org/repos/asf/commons/proper/dbcp@1506570 13f79535-47bb-0310-9956-ffa450edef68