DERBY-6720: Add changes needed to the master pom in order to publish derbyoptionaltools.jar to the maven repositories; commit derby-6720-02-aa-masterPom.diff.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1620964 13f79535-47bb-0310-9956-ffa450edef68