Updates to cache the Woodstox schema grammer

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1536861 13f79535-47bb-0310-9956-ffa450edef68
Just make the check for woodstox once.

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1536862 13f79535-47bb-0310-9956-ffa450edef68