updates by Skala

merged:

  gentoo-x86: d76327e47fafa15e0198fe139ceb431f7ee996a1
  party-overlay: a81205b915946ebb024fe7c33fedf04e9b7e6aa9
  foo-overlay: 4cac746e142029c8354eb0d3ee4957033c99fb10
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: 7d78015cf563fd236723dbb2dc6cd2de6dad1bbf
  funtoo-overlay: d0e1d7c6ca215a54e493ca492f0211012c113a52
  sabayon-for-gentoo: f7b6eed6aa76dae178da26f68a000884d1fa44c1