updates by Skala

merged:

  gentoo-x86: f497e3f76ea5f8a917162c206a0d8b7a5b0c2608
  party-overlay: 32e7a43e915bdfda937468012b31099314609c71
  foo-overlay: 4cac746e142029c8354eb0d3ee4957033c99fb10
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: 7d78015cf563fd236723dbb2dc6cd2de6dad1bbf
  funtoo-overlay: d5d2d3193e3c7afdd78adcf13e730ad58bdf4710
  sabayon-for-gentoo: 726d6c418a9ecabad7bda0b680e4b57a7f4352c3