updates by Skala

merged:

  gentoo-x86: ddf0ca88ec0bab71e3a485400a1e4e77feab2f3a
  party-overlay: 615e25d1502f67b348d3d89cd075f9025fd47aee
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 4c6d99d7e4e35e872d8ce36a63ecfc6aa8de3ff1
  sabayon-for-gentoo: 559548ad86a3302a532d0282be7e933313d1f059