updates by Skala

merged:

  gentoo-x86: 1782d5d9562b40ff51daa7822c05d442e503ba3c
  party-overlay: e47962583e788404e0d187ad1f1eae4d3b2b0ac6
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: b5ec7b6ad4746e08df65008376f49b91b62c143d
  funtoo-overlay: 913f474fc174f5d378ba109aab57d080650d3382
  sabayon-for-gentoo: e8183246b0122fd183c8f994bbadfdf96b0c0526