updates by Skala

merged:

  gentoo-x86: refs/heads/gentoo.org
  party-overlay: f13903995a19555da047084833946d6448593e92
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 95ed8508aa98f20c2e1941b89a570db5ceafa016
  sabayon-for-gentoo: 74de53e379c50c17c20814c52d23cf7d53d08c5b