updates by Skala

merged:

  party-overlay: 00da1aace5ac13eb4ecfbdd741c44d46a075cc49
  foo-overlay: 5e0dc0b0c8ce428c14693a2f3cc709a6f657afd7
  bar-overlay: 09dbf39ca3130b8fa3d3c049518b56edd8dffcbe
  mate: 97bfd3da08dae1e217c4aa71ecf24f936671d572
  squeezebox: 9d23dd9a87c2e8621bc6b8b65a8c7b71766084d3
  funtoo-overlay: 478bcb5b5d8fcc80dc8821dba6ed2ab2f4c16620
  sabayon-for-gentoo: 8b69b0b3ec7090184f04a427cd61fbd528f889b3