updates by Skala

merged:

  gentoo-x86: 57ba88a9f21cf6670d1abdbdc7f8c259f8e50e02
  party-overlay: 9b432e6c36d94cb1d39513c6611675eafc97257d
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: a51d3eb50d677bbaeadf1beb3f21e3f4afbfd107
  squeezebox: b5ec7b6ad4746e08df65008376f49b91b62c143d
  funtoo-overlay: fec89dd25aa33c1f305395ddb4f3b9dbaabd0866
  sabayon-for-gentoo: ac79a06299cc716ae089e5a0bb41a8e9e231c007