updates by Skala

merged:

  gentoo-x86: cb884cf8d4a4d24e7bdb6fea62706f65b9aa844f
  party-overlay: 1a8fff48eb34de706320698541cd111208e82deb
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: e532e9a2786b92f54451491f4ec9532a459aa5b5
  sabayon-for-gentoo: c3b632cffb4634fefe4e11c6fec6848740a6f031