updates by Skala

merged:

  party-overlay: 3a8ce615512dd232a54b616ec0fe2ab1841c7a74
  foo-overlay: cde51767054cbf2bb4bdaab8d0b04d8ea882bc6f
  bar-overlay: 09dbf39ca3130b8fa3d3c049518b56edd8dffcbe
  mate: 60b2e7e5b2404d090c8bdd6afc03480be3c013f1
  squeezebox: 3b7b8b97ca62d555c9e8456eb685627976cab6c2
  funtoo-overlay: 836976b27a7b053c148014ad6a6d09cc0db11f92
  sabayon-for-gentoo: 91b509120f78aec8f0f1dd306df4bea95f8ebae7