1. Support DOMText::getIsWhitespaceInElementContent(),
2. declare a dummy DOMText::getWholeText, and DOMText::replaceWholeText
3. declare dummy DOMNode::getBaseURI, compareTreePosition, get/setTextContent, lookupNamespacePrefix, isDefaultNamespace, lookupNamespaceURI, getInterface


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@173998 13f79535-47bb-0310-9956-ffa450edef68