updates by Skala

merged:

  party-overlay: 28a7a2c3029c6c1017730d4fde07985ca465730d
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 09dbf39ca3130b8fa3d3c049518b56edd8dffcbe
  mate: bcd3dd50b657b76b7812a5dfea7e0b423233d808
  squeezebox: b247efdc0dcf9c07ad466f71043a80b9dbf057f0
  funtoo-overlay: f8a4a46ead71bf25e237a000543a9a52652b2021
  sabayon-for-gentoo: 317222b228aac28121af1b3f90e179f605340626