gnu: guix: Update snapshot to c04ffad.

* gnu/packages/package-management.scm (guix): Update to c04ffad.

gnu: diffoscope: Update to 90.

* gnu/packages/package-management.scm (diffoscope): Update to 90.

gnu: guix: Update snapshot to f76ff984.

* gnu/packages/package-management.scm (guix): Update to f76ff984.

gnu: Update gwl to 0.1.1.

* gnu/packages/package-management.scm (gwl): Update to 0.1.1.

gnu: guix: Update snapshot to 02345c.

* gnu/packages/package-management.scm (guix): Update to 02345c.

Merge branch 'version-0.14.0'

gnu: guix: Update to ad4953b.

gnu: guix: Update to 0.14.0.

gnu: guix: Update snapshot to 91c9b5d.

* gnu/packages/package-management.scm (guix): Update to 91c9b5d.

gnu: guix: Update snapshot to 3fb6464.

* gnu/packages/package-management.scm (guix): Update to 3fb6464.

gnu: guix: Move 'bootstrap' phase after 'unpack'.

Suggested by Mark H Weaver <mhw@netris.org>
at <https://lists.gnu.org/archive/html/guix-devel/2017-11/msg00389.html>.

* gnu/packages/package-management.scm (guix)[arguments]: Move
'bootstrap' phase back after 'unpack'.

gnu: guix: Update snapshot to 0a154c1.

* gnu/packages/package-management.scm (guix): Update to commit 0a154c1.

gnu: guix: Add guile-bytestructures to the search path.

* gnu/packages/package-management.scm (guix)[arguments]: In
'wrap-program' phase, add guile-bytestructures to the path.

gnu: guix: Provide the correct version string.

Fixes <https://bugs.gnu.org/29429>.
Reported by Arun Isaac <arunisaac@systemreboot.net>.

* gnu/packages/package-management.scm (guix)[arguments]: Move
'bootstrap' phase before 'configure'.  Create '.tarball-version' file.

gnu: diffoscope: Fix error messages related to comparison tools.

* gnu/packages/package-management.scm (diffoscope)[arguments]: Replace readelf
substitution and add stat and getfacl substitutions.
[inputs]: Add acl.

Errors fixed include the following:
  "FileNotFoundError: [Errno 2] No such file or directory: 'readelf'"
  "diffoscope.comparators.directory: Unable to find 'getfacl', some directory
   metadata differences might not be noticed."
  "diffoscope.comparators.directory: Unable to find 'stat'"

gnu: guix: Update snapshot.

* gnu/packages/package-management.scm (guix): Update to 953c2de.

tests: Disable test for freed disk space that fails on Btrfs.

This is a follow-up to commit 40e89f5be609045bc2666cc16a4ef80bb7f84095.

* tests/store.scm ("dead path can be explicitly collected"): Don't check
that (> freed 0).
* gnu/packages/package-management.scm (guix)[arguments]<#:phases>: Remove
workaround for the same problem.

gnu: guix: Disable test that fails on Btrfs.

Works around <https://bugs.gnu.org/29363>.
Reported by Rutger Helling <rhelling@mykolab.com>.

* gnu/packages/package-management.scm (guix)[arguments]: Rename
'disable-container-tests' phase to 'disable-failing-tests' and add
substitution to disable test for freed disk space.

gnu: guix: Update snapshot.

* gnu/packages/package-management.scm (guix): Update to 0b4c385.

gnu: Move date/time packages from python.scm to time.scm.

* gnu/packages/python.scm (python-pytz, python2-pytz, python-dateutil,
python2-dateutil, python-parsedatetime, python2-parsedatetime,
python-tzlocal, python-isodate, python2-isodate, python-iso8601,
python2-iso8601, python-monotonic, python2-monotonic, python-pyrfc3339,
python2-pyrfc3339, python-arrow, python2-arrow, python-aniso8601,
python2-aniso8601): Move from here...
* gnu/packages/time.scm: ...to here.
* gnu/packages/calendar.scm,
gnu/packages/check.scm,
gnu/packages/django.scm,
gnu/packages/ebook.scm,
gnu/packages/gnome.scm,
gnu/packages/irc.scm,
gnu/packages/jrnl.scm,
gnu/packages/mail.scm,
gnu/packages/openstack.scm,
gnu/packages/package-management.scm,
gnu/packages/python-crypto.scm,
gnu/packages/python-web.scm,
gnu/packages/rdf.scm,
gnu/packages/statistics.scm,
gnu/packages/tls.scm,
gnu/packages/tryton.scm,
gnu/packages/version-control.scm: Adjust accordingly.