DERBY-6471; Create a regression test which will fail if classes from one Derby jar file leak into another jar file
   implementing a test which runs as part of ant buildjars, and compares the contents of the newly
   built jar files with a list of classes saved from a previous good build.


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1635613 13f79535-47bb-0310-9956-ffa450edef68