daemon: Allow check builds of 'builtin:download' derivations.

Fixes <http://bugs.gnu.org/25089>.
Reported by Leo Famulari <leo@famulari.name>.

* nix/libstore/build.cc (DerivationGoal::runChild): In the 'isBuiltin'
case, check whether DRV's output is in 'redirectedOutputs', and pass an
'output' argument to the built-in builder.
(DerivationGoal::addHashRewrite): Add 'printMsg' call.
* nix/libstore/builtins.hh (derivationBuilder): Add 'output' parameter.
* nix/libstore/builtins.cc (builtinDownload): Likewise.
Add OUTPUT to ARGV.
* guix/scripts/perform-download.scm (perform-download): Add 'output'
parameter.
(guix-perform-download): Adjust 'match' clauses accordingly.
* tests/derivations.scm ("'download' built-in builder, check mode"): New
test.

guix package: Fix version and output for 'guix package -i /gnu/store/…'.

* guix/utils.scm (package-name->name+version): Add optional 'delimiter'
parameter.
* guix/scripts/package.scm (store-item->manifest-entry): Pass #\- as the
delimiter for 'package-name->name+version'.  Use "out" instead of #f for
the 'output' field.
* tests/guix-package.sh: Add test.

services: wicd: Create /var/run/wpa_supplicant.

* gnu/services/networking.scm (%wicd-activation): Create
/var/run/wpa_supplicant.

gnu: eyed3: Update to 0.7.10.

* gnu/packages/mp3.scm (eyed3): Update to 0.7.10.

gnu: beets: Update to 1.4.3.

* gnu/packages/music.scm (beets): Update to 1.4.3.

gnu: python-mutagen: Update to 1.36.

* gnu/packages/music.scm (python-mutagen, python2-mutagen): Update to 1.36.

gnu: moc: Update to 2.5.2.

* gnu/packages/music.scm (moc): Update to 2.5.2.
[source](modules, snippet): Remove timestamps from the output.

gnu: cracklib: Fix buffer overflow.

* gnu/packages/patches/cracklib-fix-buffer-overflow.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/password-utils.scm (cracklib)[source]: Use it.

gnu: libtiff: Fix CVE-2016-{10092,10093,10094} and others.

* gnu/packages/patches/libtiff-CVE-2016-10092.patch,
gnu/packages/patches/libtiff-CVE-2016-10093.patch,
gnu/packages/patches/libtiff-CVE-2016-10094.patch,
gnu/packages/patches/libtiff-assertion-failure.patch,
gnu/packages/patches/libtiff-divide-by-zero-ojpeg.patch,
gnu/packages/patches/libtiff-divide-by-zero-tiffcp.patch,
gnu/packages/patches/libtiff-divide-by-zero-tiffcrop.patch,
gnu/packages/patches/libtiff-divide-by-zero.patch,
gnu/packages/patches/libtiff-heap-overflow-pixarlog-luv.patch,
gnu/packages/patches/libtiff-heap-overflow-tif-dirread.patch,
gnu/packages/patches/libtiff-heap-overflow-tiffcp.patch,
gnu/packages/patches/libtiff-heap-overflow-tiffcrop.patch,
gnu/packages/patches/libtiff-invalid-read.patch,
gnu/packages/patches/libtiff-null-dereference.patch,
gnu/packages/patches/libtiff-tiffcp-underflow.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/image.scm (libtiff)[replacement]: New field.
(libtiff/fixed): New variable.

gnu: notmuch: Update to 0.23.5.

* gnu/packages/mail.scm (notmuch, python2-notmuch): Update to 0.23.5.

gnu: xapian: Update to 1.4.2.

* gnu/packages/search.scm (xapian): Update to 1.4.2.

gnu: gnutls: Replace with 3.5.8 [fixes GNUTLS-SA-2017-{1,2}].

* gnu/packages/tls.scm (gnutls-3.5.8): New variable.
(gnutls)[replacement]: New field.

gnu: rofi: Update to 1.3.1.

* gnu/packages/xdisorg.scm (rofi): Update to 1.3.1.

gnu: youtube-dl: Update to 2017.01.10.

* gnu/packages/video.scm (youtube-dl): Update to 2017.01.10.  Change
URLs to yt-dl.org.

gnu: e2fsprogs: Remove timestamp from 'libext2fs.info.gz'.

* gnu/packages/linux.scm (e2fsprogs)[source](snippet): Patch
'doc/Makefile.in' to use the '-n' option of gzip.

gnu: e2fsprogs: Use symlinks instead of hard links.

* gnu/packages/linux.scm (e2fsprogs)[arguments]: Pass
"--enable-symlink-install".

gnu: Add sysstat.

* gnu/packages/linux.scm (sysstat): New variable.

gnu: python-click: Update to 6.7.

* gnu/packages/python.scm (python-click): Update to 6.7.

gnu: linux-libre@4.4: Update hash for fixed upstream tarball.

The initial upload of linux-libre-4.4.41-gnu.tar.xz was corrupted.

* gnu/packages/linux.scm (linux-libre-4.4)[source]: Update hash.

guix archive: Allow compilation in the absence of Guile-JSON.

Fixes <http://bugs.gnu.org/25409>.
Reported by Ben Woodcroft <b.woodcroft@uq.edu.au>.

* guix/scripts/archive.scm: Use 'module-autoload!' instead of #:use-module
to (guix docker).