updates by Skala

merged:

  gentoo-x86: 189c3871863f56f08391b7886b17f93dc533c766
  party-overlay: 68fb178c6a670b69d76b4aba378c736a27219129
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: a24ba35c35041b4828be22a53f76574a9a501706
  sabayon-for-gentoo: 128b8ea60c1dd0861a4f46cec2047a27b60e5f48