updates by Skala

merged:

  gentoo-x86: 5177d8abf3f1b9651c414b3a9c9c5a82d8629655
  party-overlay: 9fb0f7d8afa6e5e045ab1649d820ffd15e0ecf37
  foo-overlay: 4cac746e142029c8354eb0d3ee4957033c99fb10
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: 7d78015cf563fd236723dbb2dc6cd2de6dad1bbf
  funtoo-overlay: aa987434e2fbfdcfd3afa9650e4397f4f476930d
  sabayon-for-gentoo: 4da91aa617861c4e6bf3a62271d4bd71809f0fbd