gnu: mysql: Disable tests on aarch64-linux.

* gnu/packages/databases.scm (mysql)[arguments]: Disable the test suite
on aarch64-linux.

gnu: gsl: Disable tests on aarch64-linux.

* gnu/packages/maths.scm (gsl)[arguments]: Do not run the test suite on
aarch64-linux.
[home-page]: Use https.

Merge branch 'master' into core-updates

gnu: epiphany: Update to 3.22.7.

* gnu/packages/gnome.scm (epiphany): Update to 3.22.7.

gnu: webkitgtk: Update to 2.16.0.

WebKitGTK+ 2.16.0 is the first stable release of WebKitGTK+ that uses libgcrypt
instead of GnuTLS for some cryptographic functions:

<https://bugs.webkit.org/show_bug.cgi?id=163125>
<http://trac.webkit.org/changeset/208297/webkit>

* gnu/packages/webkit.scm (webkitgtk): Update to 2.16.0.
[inputs]: Replace gnutls with libgcrypt.

gnu: grafx2: Remove zero-width space.

* gnu/packages/game-development.scm (grafx2)[description]: Remove
invisible <U+200B> (‘zero-width space’) character.

gnu: libgit2: Patch use-after-free.

* gnu/packages/patches/libgit2-use-after-free.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/version-control.scm (libgit2)[inputs]: Add it.
[arguments] <#:phases>: Add 'apply-patch' phase.

gnu: lm-sensors: Use a descriptive file name for the source tarball.

* gnu/packages/linux.scm (lm-sensors)[source]: Add file-name field.

gnu: mcelog: Update to 149.

* gnu/packages/linux.scm (mcelog): Update to 149.

gnu: corkscrew: Install the README file.

* gnu/packages/ssh.scm (corkscrew)[arguments]: Add a very basic
‘install-documentation’ phase.

gnu: haunt: Disable test suite.

* gnu/packages/guile.scm (haunt): Disable test suite.

gnu: libreoffice: Update to 5.3.1.2.

* gnu/packages/libreoffice.scm (libreoffice): Update to 5.3.1.2.
[inputs]: Add libstaroffice and libzmf.
[arguments]: Remove reference to removed patch; unpack xmlsec 1.2.23 tarball.
(xmlsec-src-libreoffice): Update to version 1.2.23 tarball.

gnu: orcus: Update to 0.12.1.

* gnu/packages/libreoffice.scm (orcus): Update to 0.12.1.
[inputs]: Add python.

gnu: libetonyek: Update to 0.1.6.

* gnu/packages/libreoffice.scm (libetonyek): Update to 0.1.6.
[arguments]: Add phase 'autoreconf, because configure.ac is patched.  Add
configure flag "--with-mdds=1.2".
[inputs]: Add liblangtag.
[native-inputs]: Add autoconf and automake.
* gnu/packages/patches/libetonyek-build-with-mdds-1.2.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: Add libstaroffice.

* gnu/packages/libreoffice.scm (libstaroffice): New variable.

gnu: Add grafx2.

* gnu/packages/game-development.scm (grafx2): New variable.

gnu: ixion: Update to 0.12.2.

* gnu/packages/libreoffice.scm (ixion): Update to 0.12.2.
[inputs]: Replace python-2 by python.

gnu: mdds: Upgrade to 1.2.2.

* gnu/packages/boost.scm (mdds): Upgrade to 1.2.2.

gnu: Add libzmf.

* gnu/packages/libreoffice.scm (libzmf): New Variable.

gnu: geoclue: Update to 2.4.6.

* gnu/packages/gnome.scm (geoclue): Update to 2.4.6.