updates by Skala

merged:

  gentoo-x86: fc18e81a86d0cf374f3ec750731daa2625ce87e5
  party-overlay: 3e39c0ba3d9a0e9c8de2539871e8fc92f03b45d6
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: a51d3eb50d677bbaeadf1beb3f21e3f4afbfd107
  squeezebox: ae34eb6550ff0823c4ac92f7fe51fed865a43086
  funtoo-overlay: 2322dd54250d1fa5b996656c663ddf7e0251f433
  sabayon-for-gentoo: d613dad7a7c70c95f3be4094fd6e8451195ed8f0