- Changed status/changes xdocs/xslt, to link to the bug entry
  todo at the bottom of status was out of date anyway
- references to changes-v13.dtd results in a processing error in forest 0.5, so removed it and any references to it


git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1568757 13f79535-47bb-0310-9956-ffa450edef68