gnu: Add java-httpcomponents-httpcore-ab.

* gnu/packages/java.scm (java-httpcomponents-httpcore-ab): New variable.

gnu: Add java-httpcomponents-httpcore-nio.

* gnu/packages/java.scm (java-httpcomponents-httpcore-nio): New variable.

gnu: Add java-httpcomponents-httpcore.

* gnu/packages/java.scm (java-httpcomponents-httpcore): New variable.

gnu: Add java-mockito-1.

* gnu/packages/java.scm (java-mockito): New variable.

gnu: Add mia.

* gnu/packages/image-processing.scm (mia): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

gnu: Add sssd.

* gnu/packages/sssd.scm (sssd): New variable.

gnu: Add ding-libs.

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

gnu: Add http-parser.

* gnu/packages/web.scm (http-parser): New variable.

gnu: Add dcmtk.

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

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

gnu: librecad: Use modular Qt.

* gnu/packages/engineering.scm (librecad)[inputs]: Remove "qt", add "qtbase"
and "qtsvg".

doc: Document certificate environment variable needed for R.

* doc/guix.texi (X.509 Certificates): Document R as a special case.

gnu: ffmpeg: Update to 3.3.1.

* gnu/packages/video.scm (ffmpeg): Update to 3.3.1.

gnu: Update kde frameworks to 5.34.0.

* gnu/packages/kde-frameworks.scm (solid): Update to 5.34.0 [native-inputs]:
  Add dbus. <check>: Replace standard phase.
  (networkmanager-qt): Update to 5.34.0. [source]: Remove patches.
  (kfilemetadata) Update to 5.32.0. <check-setup>: New phase <check> Move
  phase after install phase.  [inputs] Add catdoc, exiv2, ffmpeg, poppler,
  taglib.
  (attica, baloo, bluez-qt, breeze-icons, extra-cmake-modules, kactivities,
  kactivities-stats, kapidox, karchive, kauth, kbookmarks, kcmutils, kcodecs,
  kcompletion, kconfig, kconfigwidgets, kcoreaddons, kcrash, kdbusaddons,
  kdeclarative, kded, kdesignerplugin, kdesu, kdnssd, kdoctools, kemoticons,
  kglobalaccel, kguiaddons, ki18n, kiconthemes, kidletime, kimageformats,
  kinit, kio, kitemmodels, kitemviews, kjobwidgets, knewstuff, knotification,
  knotifyconfig, kpackages, kparts, kpeople, kplotting, kpty, krunner,
  kservice, ksyntaxhighlighting, ktexteditor, ktextwidgets, kunitconversion,
  kwallet, kwayland, kwidgetsaddons, kwindowsystem, kxmlgui, kxmlrpcclient,
  modemmanager-qt, networkmanager-qt, oxygen-icons, plasma-framework, sonnet,
  threadweaver): Update to 5.34.0.
* gnu/packages/patches/networkmanager-qt-activeconnection-test-1.patch,
  gnu/packages/patches/networkmanager-qt-activeconnection-test-2.patch:
  Remove files.
* gnu/local.mk (dist_patch_DATA): Remove the patch files.

gnu: Add catdoc.

* gnu/packages/textutils.scm (catdoc): New variable.

gnu: par2cmdline: Update to 0.7.0

* gnu/packages/backup.scm (par2cmdline): Update to 0.7.0
[source]: Remove old test fix incorporated upstream.
[arguments]: Disable parallel tests.

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

services: Add 'thermald-service-type'.

* gnu/services/pm.scm (<thermald-configuration>): New record type.
(thermald-shepherd-service, thermald-service-type): New variables.
* doc/guix.texi (Thermal Management): New section documenting thermald.

gnu: Add thermald.

* gnu/packages/admin.scm (thermald): New variable.

maint: 'release' now depends on 'dist', not 'distcheck'.

* Makefile.am (release): Depend on 'dist' instead of 'distcheck'.

maint: Really build GuixSD for different systems.

* Makefile.am (release): Add missing --system flag to 'guix system
disk-image'.  Reported by Leo Famulari.

system: grub: Expose GRUB's interactive interface settings.

* gnu/system/grub.scm (<grub-configuration>): Add new fields
terminal-outputs, terminal-inputs, serial-unit, and serial-speed.
(grub-setup-io, setup-gfxterm): New procedures.
* doc/guix.texi (GRUB Configuration): Document the new fields.