updates by Skala

merged:

  gentoo-x86: 51b955f8d925b5355012313c8308afe2aa4f7f39
  party-overlay: 87d3c4b6d23aae15b29d131f0d10a53e5377711b
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 23561db497356907405520327ba9ab44db1bea01
  sabayon-for-gentoo: 5c94401384f9e5677ec92a2f47d1e38f65380b78