Replacing deprecated API

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1558090 13f79535-47bb-0310-9956-ffa450edef68
Fixing checkstyle

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1558091 13f79535-47bb-0310-9956-ffa450edef68
Added support for LaxTsFirst policies for the DOM code

git-svn-id: https://svn.apache.org/repos/asf/cxf/trunk@1558092 13f79535-47bb-0310-9956-ffa450edef68