* (apple) touch icons

  Also reorganized the URL structure a little bit; now an "images" URL
  segment exists.
* disallow crawl UA
* new make target: after-deployment-set-tags
* removed references to non-existing reports.cpantesters.org domain
* removed code for parsing author.rss
* removed references to old domain cpantesters.perl.org
* new synthetic action "REMOVE"

  This is causing to remove a report completely. Useful if an invalid
  reports introduces a non-existent distribution version (like here:
  Tk-804.099).
* the deployment rules now also call rsync-...-cpantestersmatrix-data