JIRA Issue #1353: http://issues.apache.org/jira/browse/XERCESJ-1353
JIRA Issue #1353:
http://issues.apache.org/jira/browse/XERCESJ-1353

Complete implementation of the Element Traversal specification.
Note that ElementImpl doesn't actually implement the ElementTraversal
interface yet. This still needs to be added to xml-apis.jar.

git-svn-id: 39602be06c88ea89c23a8a9fd3d1314146990de6@730054 13f79535-47bb-0310-9956-ffa450edef68

RackerWilliams/xercesj,RackerWilliams/xercesj,RackerWilliams/xercesj