build: Fix .service and .conf targets for VPATH builds.

* nix/local.mk (etc/guix-%.service, etc/guix-%.conf): Use "$<", not
"$(srcdir)/$<".

build: Add 'guix-publish.*.in' to the distribution.

This is a followup to 332d7903f52c2bf3741b04ac2d01cd9018b70800.

* nix/local.mk (EXTRA_DIST): Add 'guix-service.publish.in' and
'guix-publish.conf.in'.

doc: Mention the d3.js backend of 'guix graph'.

* doc/guix.texi (Invoking guix graph): Mention the d3.js backend.

doc: Document 'cargo-build-system'.

* doc/guix.texi (Build Systems): Add 'cargo-build-system'.

gnu: mumble: Update to 1.2.18.

* gnu/packages/telephony.scm (mumble): Update to 1.2.18.

gnu: python-docutils: Update to 0.13.1

* gnu/packages/python.scm(python-docutils): Update to 0.13.1.
[source]: Use pypi-uri.

tests: Mock up http-fetch.

This is a follow-up to commit 63773200d7ac68fcaee6efd9ffe8ea7aa3fafa38.

* tests/cpan.scm ("cpan->guix-package"): Add mock definition of
http-fetch.

tests: Adjust cpan tests.

This is a follow-up to commit ff55fe559951b88bfd691b9dada3a0f26002c4cb.

* tests/cpan.scm (source-url-http, source-url-https): Use
cpan-source-url.

linux-initrd: Support FAT filesystems.

* gnu/system/linux-initrd.scm (base-initrd): When a FAT filesystem is
present: Add fatfsck/static in 'helper-packages'; and add nls_iso8859-1
in 'linux-modules'.

build: check-final-inputs-self-contained has an exception for 'bash:include'.

Currently 'bash:include' of the final Bash depends on bootstrap stuff.

* build-aux/check-final-inputs-self-contained.scm (final-inputs): Add
clause for 'bash:include'.
* gnu/packages/commencement.scm (bash-final): Add FIXME comment.

gnu: yoshimi: Update to 1.5.0.

* gnu/packages/music.scm (yoshimi): Update to 1.5.0.

tests: Mock up http-fetch in import test.

This is a follow-up to commit 63773200d7ac68fcaee6efd9ffe8ea7aa3fafa38.

* tests/pypi.scm ("pypi->guix-package, wheels"): Add mock definition of
"http-fetch".

gnu: emacs-org: Update to 20161214.

* gnu/packages/emacs.scm (emacs-org): Update to 20161214.

Signed-off-by: 宋文武 <iyzsong@member.fsf.org>

tests: Mock up http-fetch in import tests.

This is a follow-up to commit 63773200d7ac68fcaee6efd9ffe8ea7aa3fafa38.

* tests/gem.scm ("gem->guix-package"): Replace mock definition of
"url-fetch" with "http-fetch".
* tests/pypi.scm ("pypi->guix-package"): Add mock definition of
"http-fetch".

gnu: youtube-dl: Update to 2016.12.15.

* gnu/packages/video.scm (youtube-dl): Update to 2016.12.15.

gnu: r: Update to 3.3.2.

* gnu/packages/statistics.scm (r): Update to 3.3.2.

gnu: Add attribution line for Raoul Bonnal.

This is a follow-up commit to c9e9154e993f055a438e2e43518bbd0740aaaf24.

* gnu/packages/bioinformatics.scm: Add attribution.

gnu: sane-backends: Remove timestamps from the output.

* gnu/packages/scanner.scm (sane-backends-minimal)[source](modules, snippet):
New fields.

gnu: Add and use sane-backends.

* gnu/packages/scanner.scm (sane-backends): New variable.
* gnu/packages/gnome.scm (colord, simple-scan): Use it instead of
'sane-backends-minimal'.
* gnu/packages/libreoffice.scm (libreoffice): Likewise.
* gnu/packages/wine.scm (wine): Likewise.

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

gnu: Add and use sane-backends-minimal.

* gnu/packages/scanner.scm (sane-backends): Rename to...
(sane-backends-minimal): this. Adjust name, source, synopsis and
description accordingly.
* gnu/packages/cups.scm (hplip): Use 'sane-backends-minimal' instead of
'sane-backends'.
* gnu/packages/gnome.scm (colord, simple-scan): Likewise.
* gnu/packages/libreoffice.scm (libreoffice): Likewise.
* gnu/packages/wine.scm (wine): Likewise.

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