updates by Skala

merged:

  gentoo-x86: 5078e33efe114cbc2c66c655b9231f49a6c7a636
  party-overlay: 3e39c0ba3d9a0e9c8de2539871e8fc92f03b45d6
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: a51d3eb50d677bbaeadf1beb3f21e3f4afbfd107
  squeezebox: b5ec7b6ad4746e08df65008376f49b91b62c143d
  funtoo-overlay: 5277dcd609f9d179cd48278cda99394dd210d3a0
  sabayon-for-gentoo: ac79a06299cc716ae089e5a0bb41a8e9e231c007