updates by Skala

merged:

  gentoo-x86: 71fa75a336fc2f92708e6cacb244ebc22f6abd76
  party-overlay: 14dac0a9964f480785d1c6f61ecf3bf0833f95b2
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 15db43e18c27c751f90bdb1211f994501d4f22b3
  sabayon-for-gentoo: 79f84e030aad4de212afe016ce9784d0cb0c103c