updates by Skala

merged:

  party-overlay: 13f13678be32ad1b3ae8ff666b619b6356ab73aa
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 09dbf39ca3130b8fa3d3c049518b56edd8dffcbe
  squeezebox: 88dd350cf934d1e7d707a9d8d81496efe2d8dc14
  funtoo-overlay: 1e6c2032fddc55ca3bd54d3f969b52133a86cc8d
  sabayon-for-gentoo: 5b702cf1035c498b0f8d03f7cd9a103ad7b47751