Possibly fixes <http://bugs.gnu.org/22209>.

* gnu/system/install.scm (%nscd-minimal-caches)[negative-time-to-live]:
Set to zero.

Fixes <http://bugs.gnu.org/22618>.
Reported by Danny Milosavljevic <dannym@scratchpost.org>.

* gnu/services/databases.scm (%default-postgres-config): Add missing
quote in default configuration.

* gnu/packages/patches/mit-krb5-CVE-2015-2695-pt1.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2695-pt2.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2696.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2697.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2698-pt1.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-2698-pt2.patch: Delete files.
* gnu/packages/patches/mit-krb5-CVE-2015-8629.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-8630.patch,
  gnu/packages/patches/mit-krb5-CVE-2015-8631.patch,
  gnu/packages/patches/mit-krb5-init-context-null-spnego.patch: New files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/mit-krb5.scm (mit-krb5): Update to 1.13.3.
  [source]: Update URI to download conventional .tar.gz file.  Add patches.
  [native-inputs]: Remove old patches-as-inputs.
  [arguments]: Remove hacks needed to cope with the older unconventional
  tarball that contained an inner source tarball and signature: Remove
  #:modules argument, and the custom 'unpack' and 'apply-patches' phases.

* gnu/packages/nettle.scm (nettle): Update to 3.2.

* gnu/packages/guile.scm (haunt)[arguments]: New field.

Fixes <http://bugs.gnu.org/22572>.
Reported by Mark H Weaver <mhw@netris.org>.

* gnu/system/locale.scm (%not-dot): New variable.
(denormalize-codeset, locale-name->definition): New procedures.
* gnu/system.scm (locale-name->definition*): New procedure.
(operating-system-locale-directory): Instead of raising an error, add
the missing locale.
* doc/guix.texi (Locales): Adjust accordingly.

* gnu/packages/emacs.scm (emacs-debbugs): Update to 0.9.
[propagated-inputs]: Add 'emacs-async'.

* gnu/packages/emacs.scm (emacs-async): New variable.

* gnu/packages/emacs.scm (magit): Update to 2.5.0.
[propagated-inputs]: Add 'emacs-with-editor'.
[arguments]: Make with WITH_EDITOR_DIR.

* gnu/packages/emacs.scm (emacs-with-editor): New variable.

* emacs/guix-base.el (guix-read-directory): New procedure.
(guix-find-location, guix-edit): Add optional 'directory' argument.
* emacs/guix-ui-package.el (guix-package-list-edit)
(guix-output-list-edit): Likewise.
* doc/emacs.texi (Emacs Commands): Mention "C-u".

* gnu/packages/admin.scm (munge): New variable.

* gnu/packages/python.scm (acme)[arguments]: Add
'disable-egg-compression' phase.

These packages should be updated together.

* gnu/packages/tls.scm (letsencrypt): Update to 0.3.0.
(acme): Update to 0.3.0.

* gnu/packages/video.scm (youtube-dl): Update to 2016.02.05.1.

Fixes <http://bugs.gnu.org/22598>.
Reported by myglc2 <myglc2@gmail.com>.

* gnu/system.scm (%base-packages): Add TEXINFO.

* gnu/system/linux-container.scm (containerized-operating-system)[user-file-systems]:
Check whether SOURCE is a string before calling 'string-prefix?'.

Fixes <http://bugs.gnu.org/22588>.
Reported by Mark H Weaver <mhw@netris.org>.

* gnu/build/file-systems.scm (check-file-system): Pass
%BOURNISH-LANGUAGE as the argument to 'start-repl'.
* gnu/services.scm (activation-script): Add (guix build bournish).
* gnu/services/base.scm (file-system-shepherd-service)[imported-modules]:
Likewise.
* gnu/system/linux-container.scm (container-script): Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Likewise.

* guix/build/bournish.scm: New file.
* Makefile.am (MODULES): Add it.
* gnu/system/linux-initrd.scm (base-initrd): Add (guix build bournish)
and use it.

* gnu/packages/lisp.scm (lispf4): New variable.

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

* gnu/packages/glib.scm (dbus)[source]: Use https URL.

* gnu/packages/gnome.scm (nautilus): New variable.

Co-authored-by: 宋文武 <iyzsong@gmail.com>

* gnu/packages/python.scm (python-pillow, python2-pillow): Update to 3.1.1.

* gnu/packages/password-utils.scm (assword): New variable.

* gnu/packages/python.scm (python2-xdo): New variable.

* gnu/packages/python.scm (python2-numpy): Take the result of
'package-with-python2' directly.
(python2-scipy): Likewise.
(python-matplotlib)[properties]: New field.
(python2-matplotlib): Call 'strip-python2-variant'.

* gnu/packages/python.scm (python-cython)[properties]: New field.
(python2-cython): Use 'strip-python2-variant'.

* gnu/packages/gtk.scm (python-pycairo)[properties]: New field.
(python2-pycairo): Use 'strip-python2-variant'.

* gnu/packages/glib.scm (python-pygobject)[properties]: New field.
(python2-pygobject): Use 'strip-python2-variant'.

Fixes <http://bugs.gnu.org/22437>.
Reported by Leo Famulari <leo@famulari.name> and others.

* guix/build-system/python.scm (package-with-explicit-python): Add
  #:variant-property and honor it.
(strip-python2-variant): New procedure.

* gnu/packages/gnome.scm (upower)[native-inputs]: Add LIBXML2, LIBXSLT,
and DOCBOOK-XSL.

* gnu/packages/password-utils.scm (keepassx): Update to 2.0.2.

* gnu/packages/libcanberra.scm (libcanberra/gtk+-2): New variable.

* gnu/packages/python.scm (python2-pysqlite): Update to 2.8.1.
[source]: Change to `pypi uri` syntax.
[home-page]: Update to new homepage.

* gnu/packages/python.scm (python2-backport-ssl-match-hostname):
Update to 3.5.0.1.
[arguments]: Skip tests.
[synopsis]: Update for python version 3.5.x.

* gnu/packages/python.scm (python-cryptography): Update to 1.2.2.
[source]: Change to `pypi uri` syntax.
[native-inputs]: Add python-pyasn1, python-pyasn1-modules,
python-hypothesis.
(python2-cryptography)[propagated-inputs]: Add
python2-backport-ssl-match-hostname

* gnu/packages/python.scm (python-cryptography-vectors): Update to 1.2.2.

* gnu/packages/python.scm (python-pip): Update to 8.0.2.
[source]: Change to `pypi uri` syntax.

* gnu/packages/gnupg.scm (python-gnupg): Update to 0.3.8.
[source]: Change to 'pypi uri` syntax.

* doc/emacs.texi (Emacs Commands): Document "M-x guix-edit".
* doc/guix.texi (Invoking guix edit): Mention it.