updates by Skala

merged:

  party-overlay: efb0561b2eb59f37ef7872eb197ba5a9d686ec12
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 09dbf39ca3130b8fa3d3c049518b56edd8dffcbe
  mate: bcd3dd50b657b76b7812a5dfea7e0b423233d808
  squeezebox: b247efdc0dcf9c07ad466f71043a80b9dbf057f0
  funtoo-overlay: d6976564d1f1eec8af91c77298ebafad89765426
  sabayon-for-gentoo: 912b29bb3e71ce65c9962070120540efdeadeef7