gnu: Add cdrtools.

* gnu/packages/cdrom.scm (cdrtools): New variable.
* gnu/packages/patches/cdrtools-3.01-mkisofs-isoinfo.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: Add guile-miniadapton.

* gnu/packages/guile.scm (guile-miniadapton): New variable.

gnu: linux-libre@4.9: Update to 4.9.27.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.27.

gnu: linux-libre@4.4: Update to 4.4.67.

* gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.67.

gnu: git: Update to 2.13.0.

* gnu/packages/version-control.scm (git): Update to 2.13.0.

gnu: lxterminal: Fix CVE-2016-10369.

* gnu/packages/patches/lxterminal-CVE-2016-10369.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/lxde.scm (lxterminal)[source]: Use it.

gnu: emacs-guix: Use Guile 2.2.

This is a followup to 7561881f2a5d2dc463c24713745eca03e67044bf.

* gnu/packages/emacs.scm (emacs-guix): Switch to GUILE-2.2.

gnu: dnscrypt-proxy: Update to 1.9.5.

* gnu/packages/dns.scm (dnscrypt-proxy): Update to 1.9.5.

gnu: re2: Update to 2017-05-01.

* gnu/packages/regex.scm (re2): Update to 2017-05-01.

gnu: kodi: Update to 18.0_alpha-4-b8ad238.

* gnu/packages/kodi.scm (kodi): Update to 18.0_alpha-4-b8ad238.

gnu: Add f3.

* gnu/packages/disk.scm (f3): New variable.

gnu: Add pngcrunch.

* gnu/packages/image.scm (pngcrunch): New variable.

gnu: gstreamer: Update to 1.12.0.

* gnu/packages/gstreamer.scm (gstreamer, gst-plugins-base, gst-plugins-good,
gst-plugins-bad, gst-plugins-ugly, gst-libav, python-gst): Update to 1.12.0.

gnu: libetpan: Update to 1.8 [fixes CVE-2017-8825].

* gnu/packages/mail.scm (libetpan): Update to 1.8.
[license]: Change to bsd-3.

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

gnu: guix: Build with Guile 2.2.

* gnu/packages/package-management.scm (guix)[inputs]: Change GUILE-2.0
to GUILE-2.2.
[propagated-inputs]: Likewise, use GNUTLS/GUILE-2.2, GUILE2.2-JSON, and
GUILE2.2-SSH.

pull: Build package modules without optimizations on Guile 2.2.

* guix/build/pull.scm (%default-optimizations)
(%lightweight-optimizations): New variables.
(optimization-options): New procedure.  Taken from
build-aux/compile-all.scm.
(build-guix): Pass it to 'compile-file'.

pull: Build with the matching Guile major version.

Previously, 'guix pull' would always build with Guile 2.0.
Now it builds with the Guile that matches (effective-version).

* build-aux/build-self.scm (false-if-wrong-guile)
(package-for-current-guile): New procedures.
(guile-json, guile-ssh): Use it.
(guile-for-build): New procedure.
(build): Use (effective-version) instead of the hard-coded "/2.0".
Add (guix modules) closure to #:modules argument.  Pass
\#:guile-for-build argument to 'gexp->derivation'.
* guix/build/pull.scm (depends-on-guile-ssh?, all-scheme-files): New
procedures.
(build-guix): Show the output of (version).  Use the above procedures.
Filter out files that match 'depends-on-guile-ssh?' when (ssh session)
is missing.

gnu: guile-ssh: Update to 0.11.0.

* gnu/packages/ssh.scm (guile-ssh): Update to 0.11.0.
[source]: Add 'modules' and 'snippet'.
(guile2.2-ssh)[version, source]: Remove.

pull: Use 'with-store'.

* guix/scripts/pull.scm (guix-pull): Remove call to 'open-connection'.
Use 'with-store' instead.

pull: Honor the standard build options.

Reported by Niall Dooley <dooleyn@gmail.com>
in <https://lists.gnu.org/archive/html/help-guix/2017-05/msg00038.html>.

* guix/scripts/pull.scm (%options): Add --dry-run and all of
%STANDARD-BUILD-OPTIONS.
(show-help): Add call to 'show-build-options-help'.
(%default-options): Add 'system', 'substitutes?', 'graft?',
'max-silent-time', and 'verbosity'.
(guix-pull)[parse-options]: Remove.
Use 'parse-command-line' instead.  Honor --dry-run.