updates by Skala

merged:

  gentoo-x86: ab7087aae593e899c36b6fbe0048d37ef1ac42a3
  party-overlay: dab255244e57494eb39cbd2c2858f4b1f30cf584
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 496e72876c410091bf7d10884de389d8ce6427a0
  sabayon-for-gentoo: 8e3a3ea4e73032876a7c8975b64a738bf02abee7