templates/header-rss.tmpl

fix some rename/copy bugs

- delete copy information when we update dirstate

  hg was keeping the copy state and marking things as copied on
  multiple commits

- files that are renamed should have no parents

  if you do a rename/copy to an existing file, it should not be marked
  as descending from its previous revisions.

- remove spurious print from filelog.renamed

- add some more copy tests

Content-type: text/xml

<rss version="2.0">
  <channel>
    <link>#url#</link>
    <language>en-us</language>