updates by Skala

merged:

  gentoo-x86: 45c77ad79cfc8827454eb0679694d0fd32eb418d
  party-overlay: 1a8fff48eb34de706320698541cd111208e82deb
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: aa973f707c0fb4196f8d17b24c7a5b7d94566509
  sabayon-for-gentoo: 559548ad86a3302a532d0282be7e933313d1f059