gnu: Add pbgzip.

* gnu/packages/bioinformatics.scm (pbgzip): New variable.

Merge branch 'wip-ungrafting'

gnu: xfce4-settings: Add gsettings-desktop-schemas.

* gnu/packages/xfce.scm (xfce4-settings):[propagated-inputs]: Add
gsettings-desktop-schemas. This makes it appear in the system profile
via the xfce service. This fixes a bug where changing icon theme causes
xfce4-appearance-settings to crash with the error:

GLib-GIO-ERROR **: 15:41:45.828: Settings schema 'org.gnome.desktop.interface' is not installed
Trace/breakpoint trap

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: emacs-xref: Fix ELPA URL.

* gnu/packages/emacs-xyz.scm (emacs-xref)[source]: Use “.tar” instead of “.el”
in the URL.

Signed-off-by: Nicolas Goaziou <mail@nicolasgoaziou.fr>

gnu: libsoup: Update home-page.

* gnu/packages/gnome.scm (libsoup)[home-page]: Modify.

Signed-off-by: Leo Prikler <leo.prikler@student.tugraz.at>

gnu: libsoup: Adjust inputs.

* gnu/packages/gnome.scm (libsoup)[inputs]: Add samba and
move glib-networking to ...
[propagated-inputs]: ... here.

Signed-off-by: Leo Prikler <leo.prikler@student.tugraz.at>

gnu: emacs-xref: Update to 1.1.0.

* gnu/packages/emacs-xyz.scm (emacs-xref): Update to 1.1.0.

gnu: emacs-tramp: Update to 2.5.0.4.

* gnu/packages/emacs-xyz.scm (emacs-tramp): Update to 2.5.0.4.

gnu: emacs-auctex: Update to 13.0.11.

* gnu/packages/emacs-xyz.scm (emacs-auctex): Update to 13.0.11.

gnu: emacs-project: Update to 0.6.0.

* gnu/packages/emacs-xyz.scm (emacs-project): Update to 0.6.0.

gnu: Add aspell-dict-ro.

* gnu/packages/aspell.scm (aspell-dict-ro): New variable.

Signed-off-by: Julien Lepiller <julien@lepiller.eu>

gnu: Add cl-bknr-datastore.

* gnu/packages/lisp-xyz.scm (cl-bknr-datastore, sbcl-bknr-datastore): New
  variables.

Signed-off-by: Guillaume Le Vaillant <glv@posteo.net>

gnu: Add cl-unit-test.

* gnu/packages/lisp-xyz.scm (cl-unit-test, ecl-unit-test, sbcl-unit-test): New
  variables.

Signed-off-by: Guillaume Le Vaillant <glv@posteo.net>

gnu: vim-fugitive: Update to 3.3.

* gnu/packages/vim.scm (vim-fugitive): Update to 3.3.

gnu: vim-asyncrun: Update to 2.8.6.

* gnu/packages/vim.scm (vim-asyncrun): Update to 2.8.6.

gnu: emacs-elfeed: Update to 3.4.1.

* gnu/packages/emacs-xyz.scm (emacs-elfeed): Update to 3.4.1.

gnu: nano: Update to 5.7.

* gnu/packages/nano.scm (nano): Update to 5.7.

download: Use Disarchive as a last resort.

This is a fixed version of 66b14dccdd0d83c875ce3a8d50ceab8b6f0a3ce2,
which was reverted in e74250c3c535b75dd2225a26df51febb7ed94654.

* guix/download.scm (%disarchive-mirrors): New variable.
(%disarchive-mirror-file): New variable.
(built-in-download): Add 'disarchive-mirrors' keyword argument and
pass its value along to the 'builtin:download' derivation.
(url-fetch): Pass '%disarchive-mirror-file' to 'built-in-download'.
* guix/scripts/perform-download.scm (perform-download): Read
Disarchive mirrors from the environment and pass them to
'url-fetch'.
* guix/build/download.scm (disarchive-fetch/any): New procedure.
(url-fetch): Add 'disarchive-mirrors' keyword argument, use it to
make a list of URIs, and use the new procedure to fetch the file if
all other methods fail.
* build-aux/build-self.scm (build-program)[select?]: Exclude '(guix
build download)'.
* guix/self.scm (compiled-guix)[*core-modules*]: Add 'guile-json' to
the list of extensions.

gnu: mpfrcx: Update to 0.6.1.

* gnu/packages/algebra.scm (mpfrcx): Update to 0.6.1.

Merge remote-tracking branch 'origin/master' into wip-ungrafting