updates by Skala

merged:

  gentoo-x86: cdb7128700b505c4b35a9007f4f0e397e48de98e
  party-overlay: e47962583e788404e0d187ad1f1eae4d3b2b0ac6
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: a51d3eb50d677bbaeadf1beb3f21e3f4afbfd107
  squeezebox: b5ec7b6ad4746e08df65008376f49b91b62c143d
  funtoo-overlay: 6ca85e0aa8f25aaecf9fd61db0f7531dfd6eee91
  sabayon-for-gentoo: a2ae329776803b8bafc0315fa7e7815f3f7ee194