updates by Skala

merged:

  gentoo-x86: refs/heads/gentoo.org
  party-overlay: 13792e987c3113d97fa74eeb8b5c44e625109c86
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 48a3867cb5cae86ee3b656031ad3af6f47d70c50
  sabayon-for-gentoo: 74de53e379c50c17c20814c52d23cf7d53d08c5b