Eliminated the 'release' ant tag from the rest of the files. The 'release' property is still used in build.xml for creating releases, but the filter is no longer presnt. Now, when updating the metacat files for a release, you have to set the release version in both the build.xml and the metacat.properties files.
release
Some changes to the tests to use Logger rather than debugMessage().
Changed SubTreeTest.java to handle the exception that is thrown by SubTree.java now.
A new class to testing subtree class.