2.21.91 ("Tom Van Mol")

  Now with Swfdec 0.6 out the door, here's a release compatible with it. But it 
  also got features:
  - support missing plugins installation
  - updated translations: ar, be@latin, ca, cs, de, es, et, fi, fr, gl, he, hu,
    ja, mk, nb, nl, pa, pl, pt, pt_BR, sl, sv, th, tr, zh_HK, zh_TW