Update

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1563854 13f79535-47bb-0310-9956-ffa450edef68
Fix WebDAV

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1563856 13f79535-47bb-0310-9956-ffa450edef68