Merge remote-tracking branch 'origin/master' into staging

Conflicts:
	pkgs/applications/audio/espeak/edit.nix
	pkgs/applications/audio/lmms/default.nix
	pkgs/desktops/e18/enlightenment.nix
	pkgs/games/exult/default.nix
	pkgs/os-specific/linux/alsa-plugins/default.nix