updates by Skala

merged:

  gentoo-x86: 088a2da6b5beb55149683e9703517dfb6b5bb8af
  party-overlay: 3741dfcff6f5618719284cd2b2b8ed67dad0015c
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: b5ec7b6ad4746e08df65008376f49b91b62c143d
  funtoo-overlay: f356143a4cf23203271c8d480b1aa97423042355
  sabayon-for-gentoo: a317c67a2a56791d788bffa8e0c9c5256c2cff1f