* gnu/packages/parallel.scm (slurm)[license]: Add more licences.

* gnu/packages/parallel.scm (slurm)[home-page]: Use HTTPS.

* gnu/packages/parallel.scm (slurm): Update to 17.11.2.
[source]: Replace patch with less fragile SUBSTITUTE* in a snippet.
[arguments]: Rename ‘autogen’ phase to ‘autoconf’.  Use INVOKE.
* gnu/packages/patches/slurm-configure-remove-nonfree-contribs.patch:
Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

* gnu/packages/toys.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/vim.scm (vim): Update to 8.0.1428.
[arguments]: Add ‘patch-failing-test’ phase.

* gnu/packages/lxde.scm (lxterminal): Update to 0.3.1.
[source]: Remove patch for fixed CVE.
[arguments]: No longer skip test suite which appear to be fixed.
* gnu/packages/patches/lxterminal-CVE-2016-10369.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

* gnu/packages/glib.scm (define-module): Remove duplicate ‘#:use-module
(guix packages xml)’.  Order remaining module imports alphabetically.

* gnu/packages/package-management.scm (define-module): Import
(guix licenses) with #:prefix instead of #:select.
Adjust all callers.

* gnu/packages/package-management.scm (define-module): Order module
imports alphabetically.

* gnu/packages/readline.scm (rlwrap): Update to 0.43.
[source, home-page]: Use new upstream URI.

Suggested by Martin H. <maze@strahlungsfrei.de>.

* doc/contributing.texi (Running Guix Before It Is Installed): Suggest
'sudo -E'.

* gnu/packages/mail.scm (mlmmj): Update to 1.3.0.

Signed-off-by: Leo Famulari <leo@famulari.name>

* gnu/packages/xorg.scm (xpra): Update to 2.2.2.

* gnu/packages/image-viewers.scm (sxiv): Update to 24.
[inputs]: Add freetype and libxft.
[arguments]: Pass freetype header location in #:make-flags.  Be verbose.

* doc/guix.texi (Virtualization Services): Document 'guix-support?' properly.

* gnu/services/web.scm (<httpd-module>,
  <httpd-config-file>, <httpd-virtualhost>
  <httpd-configuration>): New record types.
  (%default-httpd-modules, %httpd-accounts,
  httpd-service-type): New variables.
  (httpd-shepherd-services, httpd-activation,
  httpd-process-extensions): New procedures.
* gnu/tests/web.scm (run-httpd-test): New procedure.
  (%httpd-os, %tests-httpd): New variables.
* doc/guix.texi (Web Services): Document the Apache HTTP Server.

So that it can also be used for other web servers.

* gnu/tests/web.scm (%index.html-contents): Change nginx to guix.
  (%make-http-root): Move the index.html file from /srv to /srv/http.
  (%nginx-servers): Remove the setting of root.
  (run-nginx-test, run-webserver-test): Rename run-nginx-test to
  run-webserver-test and generalise its behaviour
  (%test-nginx): Change to use run-webserver-test, rather than run-nginx-test.

* gnu/packages/game-development.scm (bullet): Update to 2.87.
[home-page]: Update to new home-page.

* gnu/packages/game-development.scm: Arrange module inputs
alphabetically.

* gnu/packages/cups.scm (foo2zjs): Update to 20171202.

* gnu/packages/cups.scm (foo2zjs)[home-page, synopsis, description]: Describe
foo2zjs, not foo2xqx.
[licence]: Add expat.

* gnu/packages/cups.scm (foomatic-filters): Update to 4.0.17.

* gnu/packages/sdl.scm (sdl2-image): Update to 2.0.2.

* gnu/packages/sdl.scm (sdl2-mixer): Update to 2.0.2.

* gnu/packages/python.scm (python-shapely, python2-shapely): New variables.

* gnu/packages/admin.scm (isc-dhcp): Update to 4.3.6.

* gnu/packages/admin.scm (isc-dhcp): Update to 9.9.11-P1.

* gnu/packages/dns.scm (isc-bind): Update to 9.11.2-P1.

* gnu/packages/haskell-check.scm (hspec-discover, ghc-hspec-core)
(ghc-hspec-meta, ghc-hspec, ghc-hspec-contrib)[home-page]: Use HTTPS.

* gnu/packages/python.scm (python-ipython-genutils, python-traitlets)
(python-ipykernel, python-ipython, python-widgetsnbextension)
(python-ipywidgets)[home-page]: Use HTTPS.

* gnu/packages/lxde.scm (libfm, lxappearance, lxrandr, lxtask, lxterminal)
(menu-cache, pcmanfm, lxmenu-data, lxde-icon-theme, lxde-common, lxinput)
(lxsession, lxpanel)[home-page]: Use HTTPS.

* gnu/packages/debug.scm (american-fuzzy-lop): Update to 2.52b.
[inputs]: custom-qemu now inherits from qemu-minimal.
(qemu-2.3.0): Remove variable.

* gnu/packages/bittorrent.scm (transmission): Add comment.

Previously, python-libxml2 would inherit the ungrafted libxml2, missing
several patches on the libxml2 source code.

* gnu/packages/xml.scm (python-libxml2, python2-libxml2): Use
package/inherit.

* gnu/packages/patches/libxml2-CVE-2017-15412.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/xml.scm (libxml2/fixed)[source]: Use it.

* gnu/packages/file-systems.scm (curlftpfs): New variable.

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

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/games.scm (freedoom) [native-search-paths]: Set DOOMWADDIR and
  DOOMWADPATH, so source ports and map editors can find the freedoom IWAD.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

* gnu/packages/python.scm (python-matplotlib)[propagated-inputs]: Add
  python-pyqt.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>