Merge branch 'master' into core-updates

gnu: Add rsnapshot.

* gnu/packages/backup.scm (rsnapshot): New variable.

gnu: python-fake-factory: Add back missing patch file.

This reverts the removal of "python-fake-factory-fix-build-32bit.patch"
by commit ce7911ddae5d30ba73c8c9552b7d4e71268e5db3.

* gnu/packages/patches/python-fake-factory-fix-build-32bit.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: inetutils: Set the $localstatedir.

This is a followup to commit 6f5d28f9d05aaa9743b3aac6bceb2c6323122d2d.

* gnu/packages/admin.scm (inetutils)[arguments]: Pass
'--localstatedir=/var' to #:configure-flags.

gnu: icecat: Add fixes from upstream Firefox ESR 45.8.0.

Includes fixes for CVE-2017-5398, CVE-2017-5400, CVE-2017-5401, CVE-2017-5402,
CVE-2017-5404, CVE-2017-5405, CVE-2017-5407, CVE-2017-5408, CVE-2017-5409, and
CVE-2017-5410.

* gnu/packages/gnuzilla.scm (icecat)[source]: Add selected fixes from the
upstream mozilla-esr45 repository.

gnu: icecat: Update to 45.7.0-gnu1.

* gnu/packages/gnuzilla.scm (icecat): Update to 45.7.0-gnu1.  Remove patches
included in 45.7.0.

gnu: r: Remove obsolete configure flags.

* gnu/packages/statistics.scm (r)[arguments]: Remove obsolete configure flags.

gnu: r: Update to 3.3.3.

* gnu/packages/statistics.scm (r): Update to 3.3.3.

gnu: tzdata: Update to 2017a.

* gnu/packages/base.scm (tzdata): Update to 2017a.

gnu: Add lensfun.

* gnu/packages/photo.scm (lensfun): New variable.

packages: Use PACKAGE@VERSION syntax when reporting ambiguities.

* gnu/packages.scm (%find-package): Upon ambiguity, use the
PACKAGE@VERSION syntax instead of 'package-full-name'.

gnu: Add guile2.2-haunt.

* gnu/packages/guile.scm (guile2.2-haunt): New variable.

gnu: Add guile2.2-reader.

* gnu/packages/guile.scm (guile2.2-reader): New variable.

gnu: guile-reader: Update to 0.6.2.

* gnu/packages/guile.scm (guile-reader): Update to 0.6.2.
[arguments]: Remove.

services: prosody: Use 'id' to introduce unhygienic top-level identifiers.

* gnu/services/messaging.scm (define-all-configurations): Use 'id' to
introduce raw/literal/unhygienic top-level identifiers.  Fixes
compilation with Guile 2.2.

services: prosody: Make sure 'id' is available at expansion time.

* gnu/services/messaging.scm (id): Use 'define-syntax-rule' instead of
'define' to make sure 'id' is available at expansion time.

gnu: Remove unneeded imports.

* gnu/packages/backup.scm: Remove unneeded (guix build utils) import.
* gnu/packages/finance.scm: Likewise.

gnu: inetutils: Enable tests.

* gnu/packages/admin.scm (inetutils)[arguments]: Remove '#:tests? #f'
and #:configure-flags.
[native-inputs]: Add net-tools.

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

gnu: python-pandas: Fix build on 32-bit.

* gnu/packages/patches/python-pandas-skip-failing-tests.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/python.scm (python-pandas, python2-pandas): Use it.

gnu: Add python-faker.

* gnu/packages/patches/python-fake-factory-fix-build-32bit.patch: Adjust
paths. Also rename to ...
* gnu/packages/patches/python-faker-fix-build-32bit.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/python.scm (python-faker, python2-faker): New variables.
(python-fake-factory)[properties]: Superseded by PYTHON-FAKER.
(python2-fake-factory)[properties]: Superseded by PYTHON2-FAKER.
(python-orator, python2-orator)[propagated-inputs]: Replace
PYTHON-FAKE-FACTORY with PYTHON-FAKER.