TODO for chemical-mime-data
---------------------------

* choose if we want to use rsvg or convert - that makes the difference in the
  size (images created from SVG)

  http://people.debian.org/~lucas/logs/2008/01/22/bdfh/debdiffs/chemical-mime-data.debdiff
  http://people.debian.org/~lucas/logs/2008/01/22/bdfh/logs/chemical-mime-data_0.1.94-3_sid32.buildlog
  http://people.debian.org/~lucas/logs/2008/01/22/bdfh/logs/chemical-mime-data_0.1.94-3_sid32-bdfh.buildlog

  Q: Which produces the better output?
