Handle the same HTTP redirects everywhere.

* guix/build/download.scm (http-fetch): Complete the hard-coded list of HTTP
redirection status codes.
* guix/http-client.scm (http-fetch): Likewise.
* guix/scripts/lint.scm (probe-uri): Likewise.

build: Negate ‘--disable-daemon’ help string.

This is a follow-up to commit c9b70836d080150046633edc782fdaaff9fc6d9c.

* configure.ac: Make ‘--disable-daemon’'s help text consistent with others.

gnu: tcpdump: Fix CVE-2017-[11541,11542,11543].

* gnu/packages/patches/tcpdump-CVE-2017-11541.patch,
gnu/packages/patches/tcpdump-CVE-2017-11542.patch
gnu/packages/patches/tcpdump-CVE-2017-11543.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/admin.scm (tcpdump)[source]: Use them.

gnu: libmediainfo: Adjust build phases.

* gnu/packages/video.scm (libmediainfo)[arguments]: Change to the build
directory before running autogen.

guix: Fix Guile current-processor-count deprecation warnings.

When current-processor-count is used without (ice-9 threads) being used, Guile
complains with the following warning:

Import (ice-9 threads) to have access to `current-processor-count'.

* guix/store.scm: Use (ice-9 threads).

gnu: elogind: Update to 232.3.

* gnu/packages/freedesktop.scm (elogind): Update to 232.3.
[home-page]: Use new upstream home page.
[arguments]: Disable tests, add new required configure flags; add build phase
"autogen".
[native-inputs]: Add autoconf, automake, libtool, and python.

gnu: r-tidyr: Update to 0.7.1.

* gnu/packages/statistics.scm (r-tidyr): Update to 0.7.1.

gnu: r-gdtools: Update to 0.1.6.

* gnu/packages/statistics.scm (r-gdtools): Update to 0.1.6.

gnu: Add r-sparql.

* gnu/packages/bioinformatics.scm (r-sparql): New variable.

gnu: epiphany: Update to 3.24.4.

* gnu/packages/gnome.scm (epiphany): Update to 3.24.4.

gnu: libvirt: Make selected inputs native-inputs.

* gnu/packages/virtualization.scm (libvirt)[inputs]: Move perl, polkit, and
python from here...
[native-inputs]: ...to here.

gnu: libvirt: Update to 3.7.0.

* gnu/packages/virtualization.scm (libvirt): Update to 3.7.0.
[native-inputs]: Add libxslt for xsltproc.

gnu: python-libvirt: Update to 3.7.0.

* gnu/packages/virtualization.scm (python-libvirt): Update to 3.7.0.

gnu: Use HTTPS for libvirt.org.

* gnu/packages/virtualization.scm (libvirt, python-libvirt)[home-page]:
Use HTTPS.

gnu: libidn2: Replace with 2.0.4 [security fixes].

* gnu/packages/libidn.scm (libidn2)[replacement]: New field.
(libidn2-2.0.4): New variable.

gnu: emacs-tiny: Fix typo.

* gnu/packages/emacs.scm (emacs-tiny)[description]: Fix typo.

gnu: Add emacs-minitest.

* gnu/packages/emacs.scm (emacs-minitest): New variable.

vm: Remove redundant conditional in system-disk-image.

* gnu/system/vm.scm (system-disk-image): Remove redundant conditional for
  #:file-system-type when calling qemu-image.

gnu: classpath-devel: Fix build after d10092b8491.

* gnu/packages/java.scm (classpath-devel)[arguments]: Actually run 'bootstrap'
phase.

gnu: emacs-browse-at-remote: Simplify 'check' phase.

* gnu/packages/emacs.scm (emacs-browse-at-remote)[native-inputs]: Add
'ert-runner'.
[arguments]: Run it in the 'check' phase.