Merge 'staging' into multiple-outputs

Conflicts:
	pkgs/applications/audio/flac/default.nix
	pkgs/build-support/gcc-wrapper/builder.sh
	pkgs/development/libraries/apr-util/default.nix
	pkgs/development/libraries/apr/default.nix
	pkgs/development/libraries/atk/default.nix
	pkgs/development/libraries/freetype/default.nix
	pkgs/development/libraries/gdk-pixbuf/default.nix
	pkgs/development/libraries/glib/default.nix
	pkgs/development/libraries/glibc/2.17/builder.sh
	pkgs/development/libraries/glibc/2.17/locales.nix
	pkgs/development/libraries/libjpeg/default.nix
	pkgs/development/libraries/libogg/default.nix
	pkgs/development/libraries/libsamplerate/default.nix
	pkgs/development/libraries/libtiff/default.nix
	pkgs/development/libraries/libvorbis/default.nix
	pkgs/development/libraries/mesa/default.nix
	pkgs/development/libraries/pango/default.nix
	pkgs/development/web/nodejs/default.nix
	pkgs/os-specific/linux/pam/default.nix
	pkgs/os-specific/linux/systemd/default.nix
	pkgs/stdenv/generic/setup.sh
	pkgs/stdenv/linux/default.nix
	pkgs/top-level/all-packages.nix
	pkgs/top-level/release-small.nix

pkgs/tools/compression/xz/default.nix

@@ -1,17 +1,20 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "xz-5.0.4";
+  name = "xz-5.0.5";
 
   src = fetchurl {
     url = "http://tukaani.org/xz/${name}.tar.bz2";
-    sha256 = "14nf55b47335aakswqk0kqv1qsh4269rnb757dmkkbd1sdhb1naw";
+    sha256 = "1404i59bp6rzxya0br1q9njdv32z4sggyfrkjr7vq695hk94hv0n";
   };
 
   outputs = [ "out" "dev" "man" "doc" ];
 
   doCheck = true;
 
+  # In stdenv-linux, prevent a dependency on bootstrap-tools.
+  preHook = "unset CONFIG_SHELL";
+
   meta = {
     homepage = http://tukaani.org/xz/;
     description = "XZ, general-purpose data compression software, successor of LZMA";
@@ -30,7 +33,7 @@ stdenv.mkDerivation rec {
          bzip2.
       '';
 
-    licenses = [ "GPLv2+" "LGPLv2.1+" ];
+    license = [ "GPLv2+" "LGPLv2.1+" ];
     maintainers = with stdenv.lib.maintainers; [ sander ];
     platforms = stdenv.lib.platforms.all;
   };