Minor performance improvements. Return the same list instance each time getNamespaces() and getNamespaceItems() is called instead of creating a new one each time.
Minor performance improvements. Return the same list instance each time
getNamespaces() and getNamespaceItems() is called instead of creating
a new one each time.

git-svn-id: 39602be06c88ea89c23a8a9fd3d1314146990de6@660088 13f79535-47bb-0310-9956-ffa450edef68

RackerWilliams/xercesj,RackerWilliams/xercesj,RackerWilliams/xercesj