gnu: python-wrapt: Update to 1.10.8.

* gnu/packages/python.scm (python-wrapt): Update to 1.10.8.
[source]: Use pypi-uri.

gnu: python-py: Update to 1.4.32.

* gnu/packages/python.scm (python-py): Update to 1.4.32.

gnu: python-sphinx-cloud-sptheme: Update to 1.8.0.

* gnu/packages/python.scm (python-sphinx-cloud-sptheme): Update to 1.8.0.

gnu: python-wcwidth: Update to 0.1.7.

* gnu/packages/python.scm (python-wcwidth): Update to 0.1.7.
[source]: Use pypi-uri.

gnu: python-markdown: Update to 2.6.8.

* gnu/packages/python.scm (python-markdown): Update to 2.6.8.

gnu: dns: Return #t instead of something undefined.

* gnu/packages/dns.scm (yadifa, knot)[arguments]: Return #t after calling
‘substitute*’.
(knot)[source]: Return #t after calling ‘delete-file-recursively’.

gnu: vapoursynth: Update to 37.

* gnu/packages/video.scm (vapoursynth): Update to 37.

gnu: zimg: Update to 2.5.

* gnu/packages/image.scm (zimg): Update to 2.5.

gnu: Add lmms.

* gnu/packages/music.scm (lmms): New variable.

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

gnu: Add megaglest.

* gnu/packages/games.scm (megaglest): New variable.

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

gnu: Add megaglest-data.

* gnu/packages/games.scm (megaglest-data): New variable.

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

gnu: ots: Use 'modify-phases' syntax.

* gnu/packages/ots.scm (ots)[arguments]: Use 'modify-phases' syntax.

gnu: ots: Add download mirror.

* gnu/packages/ots.scm (ots)[source]: Add Debian mirror.

gnu: Adjust asciidoc-related build options.

Commits 9099a45792306fade2d9ca55138e49ef4f01f1ea and
3078821d1380c26c738be6b5d430c595327d401f make many package inputs and
build configurations related to asciidoc obsolete.

* gnu/packages/compton.scm (compton)[inputs]: Remove docbook-xml,
libxml2 and libxslt.
* gnu/packages/mail.scm (offlinemap)[native-inputs]: Remove libxslt.
* gnu/packages/linux.scm (btrfs-progs)[native-inputs]: Remove docbook-xml.
(perf)[inputs]: Remove docbook-xml and libxslt.
* gnu/packages/text-editors.scm (kakoune)[native-inputs]: Remove libxslt.
* gnu/packages/version-control.scm (cgit)[native-inputs]: Remove
docbook-xml, docbook-xsl, libxml2 and libxslt.
(cvs-fast-export)[native-inputs]: Remove docbook-xml, docbook-xsl,
libxml2 and libxslt.
* gnu/packages/web.scm (qutebrowser)[native-inputs]: Remove docbook-xml,
docbook-xsl, libxml2, and libxslt.
(tinyproxy)[native-inputs]: Remove docbook-xml, docbook-xsl, libxml2 and
libxslt.
* gnu/packages/wm.scm (awesome)[make-flags]: Remove XML_CATALOG_FILES flag.
(i3-wm)[inputs]: Remove docbook-xml.
[native-inputs]: Add libxml2.

gnu: Add swaks.

* gnu/packages/mail.scm (swaks): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: git: Update to 2.12.1.

* gnu/packages/version-control.scm (git): Update to 2.12.1.

gnu: Add perl-ole-storage-lite.

* gnu/packages/perl.scm (perl-ole-storage-lite): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add perl-crypt-rc4.

* gnu/pakages/perl.scm (perl-crypt-rc4): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: kodi: Wrap executable so it finds libcurl.

* gnu/packages/kodi.scm (kodi)[arguments]: Add 'wrap' phase.

gnu: dtc: Update to 1.4.4.

* gnu/packages/bootloaders.scm (dtc): Update to 1.4.4.
[source]: Use mirror://kernel.org.