gnu: Add innoextract.

* gnu/packages/compression.scm (innoextract): New variable.

gnu: cfitsio: Update to 3.420.

* gnu/packages/astronomy.scm (cfitsio): Update to 3.420.

gnu: cfitsio: Mark up description.

* gnu/packages/astronomy.scm (cfitsio)[description]: Use @dfn.

gnu: livestreamer: Deprecate in favour of streamlink.

* gnu/packages/video.scm (livestreamer): Redefine using ‘deprecated-package’.

gnu: qtractor: Update to 0.8.6.

* gnu/packages/music.scm (qtractor): Update to 0.8.6.

gnu: wordnet: Include PIC objects in libWN.a.

Fixes a Dico build failure introduced in commit
a6a9e628693ed2d49cd9cdfca597fd4e63bbdef0.

* gnu/packages/wordnet.scm (wordnet)[arguments]: Add 'build-libwn-PIC'
phase.

gnu: mutt: Update to 1.9.3.

* gnu/packages/mail.scm (mutt): Update to 1.9.3.

derivations: Adjust tests for Stow environments.

Fixes <https://bugs.gnu.org/30250>.
Reported by Jorge <jorge+list@disroot.org>.

* tests/derivations.scm ("add-to-store, flat")
("add-to-store, recursive"): Call 'readlink*'.

gnu: iproute2: Update to 4.15.0.

* gnu/packages/linux.scm (iproute): Update to 4.15.0.

gnu: tintin++: Update to 2.01.4.

* gnu/packages/games.scm (tintin++): Update to 2.01.4.

gnu: red-eclipse: Update to 1.6.0.

* gnu/packages/games.scm (red-eclipse): Update to 1.6.0.

gnu: Add Aseba.

* gnu/packages/robotics.scm (aseba): New variable.

gnu: Add Enki.

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

gnu: Add Dashel.

* gnu/packages/cpp.scm (dashel): New variable.

gnu: fftw: Add "fftw-avx" optimized variant.

* gnu/packages/algebra.scm (fftw-avx): New variable.

gnu: fftw: Add version 3.3.7.

* gnu/packages/algebra.scm (fftw-3.3.7): New variable.

gnu: linux-libre: Update to 4.15, while retaining 4.14 LTS.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.15.
(%linux-libre-hash): Update hash.
(%linux-libre-arm-generic-4.14, %linux-libre-arm-omap2plus-4.14)
(%linux-libre-4.1-version, %linux-libre-4.1-hash): New variables.
* gnu/packages/aux-files/linux-libre/4.15-arm.conf,
gnu/packages/aux-files/linux-libre/4.15-i686.conf,
gnu/packages/aux-files/linux-libre/4.15-x86_64.conf: New files.
* Makefile.am (AUX_FILES): Add them.

gnu: linux-libre: Update configuration files to latest releases.

* gnu/packages/aux-files/linux-libre/4.14-i686.conf,
gnu/packages/aux-files/linux-libre/4.14-x86_64.conf,
gnu/packages/aux-files/linux-libre/4.9-i686.conf,
gnu/packages/aux-files/linux-libre/4.9-x86_64.conf,
gnu/packages/aux-files/linux-libre/4.4-i686.conf,
gnu/packages/aux-files/linux-libre/4.4-x86_64.conf,
gnu/packages/aux-files/linux-libre/4.1-i686.conf,
gnu/packages/aux-files/linux-libre/4.1-x86_64.conf: Update using
"make oldconfig" on the latest point releases.

gnu: linux-libre: NVME core support is now built-in.

* gnu/system/linux-initrd.scm (base-initrd)[linux-modules]: Remove "nvme".
* gnu/packages/aux-files/linux-libre/4.1-i686.conf,
gnu/packages/aux-files/linux-libre/4.1-x86_64.conf,
gnu/packages/aux-files/linux-libre/4.4-i686.conf,
gnu/packages/aux-files/linux-libre/4.4-x86_64.conf: Set CONFIG_BLK_DEV_NVME=y.
* gnu/packages/aux-files/linux-libre/4.9-i686.conf,
gnu/packages/aux-files/linux-libre/4.9-x86_64.conf,
gnu/packages/aux-files/linux-libre/4.14-arm.conf,
gnu/packages/aux-files/linux-libre/4.14-i686.conf,
gnu/packages/aux-files/linux-libre/4.14-x86_64.conf: Set CONFIG_BLK_DEV_NVME=y
and CONFIG_NVME_CORE=y.

gnu: Add mongo-tools.

* gnu/packages/databases.scm (mongo-tools): New variable.