gnu: opusfile: Update to 0.9.

* gnu/packages/xiph.scm (opusfile): Update to 0.9.

gnu: xiph: Use HTTPS for home pages where possible.

* gnu/packages/xiph.org (libogg, libvorbis, libtheora, ao, flac)
(vorbis-tools, opusfile, icecast)[home-page]: Use HTTPS.

gnu: linux: Use HTTPS for home pages where possible.

* gnu/packages/linux.scm (ltrace, libnl, pflask, acpi, module-init-tools)
(snapscreenshot)[home-page]: Use HTTPS.

gnu: tls: Use HTTPS for home pages where possible.

* gnu/packages/tls.scm (openssl, p11-kit, python-acme)[home-page]: Use
HTTPS instead of HTTP, irony.

gnu: geos: Update to 3.6.2.

* gnu/packages/geo.scm (geos): Update to 3.6.2.

gnu: gpsbabel: Complete licencing information.

* gnu/packages/gps.scm (gpsbabel)[source]: Remove unused files in a snippet.
[license]: Add expat.

gnu: gpsbabel: Use HTTPS for home page.

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

gnu: libedit: Update to 20170329-3.1.

* gnu/packages/libedit.scm (libedit): Update to 20170329-3.1.
[arguments]: Remove deprecated ‘--enable-widec’ from #:configure-flags.

gnu: libedit: Use HTTPS for home page.

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

gnu: Remove redundant wrapping from packages using ruby-build-system.

Now that the build system does wrapping automatically, it can be removed from
the packages that do it manually.

* gnu/packages/databases.scm (es-dump-restore)[arguments]: Remove #:phases.
* gnu/packages/ruby.scm (ruby-redcloth)[arguments]: Remove #:phases.
  (ruby-httpclient)[arguments]: Remove 'wrap-bin-httpclient from the modified
  phases.

guix: build: ruby-build-system: Install to the vendor directory

* guix/build/ruby-build-system.scm (install): Install gems to the vendor
  directory, rather than the GEM_HOME. The vendor directory does not include
  the version of ruby used to install the gem in the path, which makes it
  easier to add it to the GEM_PATH for all versions of ruby to use.
  (gem-home): Remove procedure.
* gnu/packages/ruby.scm (ruby, ruby-2.1)[native-search-paths]: Switch to
  lib/ruby/vendor_ruby.
  (ruby-1.8)[native-search-paths]: Remove native-search-paths.
  (gem-directory): Remove procedure.
  (ruby-ansi, ruby-ae)[arguments]: Remove use of gem-directory.
  (ruby-metaclass, ruby-instantiator, ruby-introspection, ruby-mocha,
  ruby-nokogiri, ruby-minitest-tu-shim, ruby-redcloth)[arguments]: Remove use
  of gem-home.
  (ruby-git, ruby-httpclient)[arguments]: Remove use of GEM_HOME.
* gnu/packages/databases.scm (es-dump-restore)[arguments]: Remove use of
  GEM_HOME.

arb: Update to 2.12.0.

* gnu/packages/algebra.scm (arb): Update to 2.12.0.

gnu: pari-gp: Update to 2.9.4.

* gnu/packages/algebra.scm (pari-gp): Update to 2.9.4.

gnu: rct: Re-categorize some inputs.

OpenSSL and zlib are referred to by the built package, so we make them
regular inputs.

This is a followup to commit e8b409741baf3b9de30faa8683722375196dd1e9.

* gnu/packages/cpp.scm (rct)[native-inputs]: Move openssl and zlib to ...
[inputs]: ... new field.

gnu: Add rct.

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

gnu: flashrom: Update to 1.0.

* gnu/packages/flashing-tools.scm (flashrom): Update to 1.0.

gnu: flashrom: Use HTTPS for home page.

* gnu/packages/flashing-tools.scm (flashrom)[home-page]: Use HTTPS.

gnu: mpd: Remove (gnu packages gcc) import.

This follows up commit 7641266b0328f8a3a4f3643560d00dcf82d539b3.

* gnu/packages/mpd.scm: Don't #:use-module (gnu packages gcc).

gnu: mpd: Use HTTPS for musicpd.org home pages.

* gnu/packages/mpd.scm (libmpdclient, mpd, mpd-mpc, ncmpc)[home-page]: Use
HTTPS.

gnu: mpdscribble: Update home page.

* gnu/packages/mpd.scm (mpdscribble)[home-page]: This package seems to have
found a home.  Use it.