updates by Skala

merged:

  gentoo-x86: 93737be4d7d65502b33fd31112e605e149aa74ff
  party-overlay: 34935004d507ea670134c54bb5cb3d8e31f28458
  foo-overlay: 44af5419fabdb2f70469f6696330eac1c37b60d9
  bar-overlay: 1ad50aaef1e93863ab64d2b36a4a28686d55bb17
  squeezebox: cf7953988018d60d3638245b380406be494bd7ae
  funtoo-overlay: 6087fdf60f3a6f4b6b645a93b8bd5c06ca58d027
  sabayon-for-gentoo: 559548ad86a3302a532d0282be7e933313d1f059