* guix/gnu-maintenance.scm (latest-release): Rename to...
(latest-ftp-release): ... this.  Add #:server and #:directory
parameters.
(latest-release): New procedure.

* guix/scripts/refresh.scm (lookup-updater): Call 'leave' when 'find'
returns #f.

* guix/gnu-maintenance.scm (latest-release): Filter out "w32"
directories.

* tests/gnu-maintenance.scm: New file.
* Makefile.am (SCM_TESTS): Add it.
* guix/gnu-maintenance.scm (release-file?): Export.

* guix/gnu-maintenance.scm (ftp-server/directory): Add comment.
(release-file?): Use 'string-ci=?' instead of 'equal?' when comparing
project names.

* guix/gnu-maintenance.scm (%tarball-rx): Tweak to match IceCat tarball
patterns.

With this, (latest-release "gcc") returns an <upstream-source> with URL:

  ftp://ftp.gnu.org/gnu/gcc/gcc-5.3.0/gcc-5.3.0.tar.gz

Previous it would omit "gcc-5.3.0/" from the URL.

Fixes a regression introduced in 0a7c5a09.

* guix/gnu-maintenance.scm (latest-release)[file->url, file->source]:
Add 'directory' parameter.  Update users.

* doc/guix.texi (Invoking guix environment): Remove outdated mention of
'/env' for '--container'.

The Node build system was previously building its own copies of
OpenSSL (yikes!), libuv, and zlib.

* gnu/packages/node.scm (node)[inputs]: Add openssl, libuv, and zlib.
  [arguments]: Add configure flags for using system libraries.  Use
  'modify-phases' syntax.

* gnu/packages/linux.scm (util-linux)[description]: Give some more
  information about the package.

Signed-off-by: Andreas Enge <andreas@enge.fr>

* gnu/packages/pcre.scm (pcre): Update to 8.38.  Add source URI for
  main FTP site.

* gnu/packages/patches/libxml2-CVE-2015-1819.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7941-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt1.patch,
  gnu/packages/patches/libxml2-CVE-2015-7942-pt2.patch,
  gnu/packages/patches/libxml2-CVE-2015-8035.patch,
  gnu/packages/patches/libxml2-bug-737840.patch,
  gnu/packages/patches/libxml2-bug-738805.patch,
  gnu/packages/patches/libxml2-bug-746048.patch,
  gnu/packages/patches/libxml2-bug-747437.patch,
  gnu/packages/patches/libxml2-bug-751603.patch,
  gnu/packages/patches/libxml2-bug-751631.patch,
  gnu/packages/patches/libxml2-bug-754946.patch,
  gnu/packages/patches/libxml2-bug-754947.patch,
  gnu/packages/patches/libxml2-bug-755857.patch,
  gnu/packages/patches/libxml2-fix-catalog-corruption.patch,
  gnu/packages/patches/libxml2-id-attrs-in-xmlSetTreeDoc.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt1.patch,
  gnu/packages/patches/libxml2-node-sort-order-pt2.patch: Delete files.
* gnu-system.am (dist_patch_DATA): Remove them.
* gnu/packages/xml.scm (libxml2): Update to 2.9.3.  Remove patches.

* gnu/packages/tls.scm (openssl): Update to 1.0.2e.
  [arguments]: Rename 'fix-man-dir' phase to 'patch-Makefile.org',
  and patch SHELL in Makefile.org.  Add 'fix-broken-symlinks' phase.
  Return #t from 'patch-tests' phase.

* gnu/packages/password-utils.scm (keepassx): Update to 2.0.
[source]: Change to official release location.

* gnu/packages/python.scm (python2-zope-security): Do it.

* gnu/packages/man.scm (help2man): Update to 1.47.3.

* gnu/packages/gnunet.scm (libmicrohttpd): Update to 0.9.47.

* gnu/packages/mp3.scm (mp3info): Update source URL.

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

* gnu/packages/version-control.scm (myrepos): New variable.

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

* gnu/packages/python.scm (python-docopt, python2-docopt): New
  variables.

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

* gnu/packages/messaging.scm (gajim): Update to 0.16.4.

* gnu/packages/gnupg.scm (pinentry): Update to 0.9.6.
[inputs]: Add libsecret.

* gnu/packages/gnupg.scm (gpgme): Update to 1.6.0.

* gnu/packages/gnupg.scm (gnupg): Update to 2.1.10.
[inputs]: Add adns.

* gnu/packages/gnupg.scm (gnupg-2.0): Update to 2.0.29.
[inputs]: Add adns.

* gnu/packages/gnupg.scm (libassuan): Update to 2.4.2.

* gnu/packages/xiph.scm (ao)[native-inputs]: Move pkg-config from
inputs.
* gnu/packages/xorg.scm (xf86-video-geode)[native-inputs]: Likewise.

* guix/scripts/edit.scm (%editor): Use Emacs as a default value.

* guix/scripts/edit.scm (guix-edit): Fix the assumption that %editor is
a one word command.

* gnu/packages/nano.scm (nano): Update to 2.5.0.

* gnu/packages/gdb.scm (gdb): Update to 7.10.1.

* gnu/packages/games.scm (manaplus): Update to 1.5.12.5.

* emacs/guix-info.el (guix-info-button-copy-label): Use
  'guix-copy-as-kill' to display a message with what was killed.

* emacs/guix-command.el (guix-command-improve-package-argument): Use
  'guix-read-file-name' to complete --profile option.

* emacs/guix-emacs.el (guix-emacs-load-autoloads): Use 'profile'
  as an optional argument.
  (guix-emacs-load-autoloads-maybe): Adjust accordingly.
* emacs/guix-init.el: Likewise.

* emacs/guix-base.el (guix-pull): Handle prefix argument when it is run
  interactively.  Use 'guix-command' instead of 'guix-pull' to prevent
  REPL exit if 'leave' happens.

* emacs/guix-base.el (guix-apply-manifest): Use 'guix-command' instead
  of 'guix-package' to prevent REPL exit if 'leave' happens.  Expand
  profile and manifest file names, as relative file names lead to an
  error.

* gnu/packages/gnupg.scm (pius): Update to 2.2.1.  Change URL to
github.com.
[arguments]: Update pattern for 'gpg' command.

* gnu/packages/tls.scm (letsencrypt): New variable.