* gnu/packages/audio.scm (ardour): Inherit from "ardour-3" instead of
  "ardour".

* gnu/packages/audio.scm (ardour): Rename to ...
  (ardour-3): ... this.
  (ardour): New variable.

* gnu/packages/gnucash.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

* gnu/packages/webkit.scm (webkitgtk-2.4): New variable.
* gnu/packages/patches/webkitgtk-2.4.8-gmutexlocker.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.

* gnu/packages/gnome.scm (goffice-0.8): New variable.

* gnu/packages/gl.scm (mesa): Pass "nouveau" to "--with-gallium-drivers" flag.

* gnu/packages/patches/serf-comment-style-fix.patch,
  gnu/packages/patches/serf-deflate-buckets-test-fix.patch: New file.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/web.scm (serf): Add patches.  Remove 'remove-non-c89-comment'
  phase.

* gnu/packages/vpn.scm (openvpn): New variable.

* gnu/packages/linux.scm (bridge-utils): Patch source to fix compilation
  error.  Patch Makefile to fail in case of future compilation errors.

* gnu/services/databases.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi ("Database Services"): New subsubsection.

* gnu/packages/version-control.scm (neon-0.29.6): Remove variable.

This is a followup to d5e9f380, which upgraded
subversion to 1.8.x.  Previously we used 'neon' to support http access
methods, but subversion 1.8 drops support for 'neon' in favor of 'serf'.

* gnu/packages/version-control.scm (subversion)[inputs]: Add 'serf' and remove
  'neon'.
  [arguments]: Fix typo in phase name.

* gnu/packages/web.scm (serf): New variable.

* gnu/packages/python.scm (scons): Update to 2.3.4.

* gnu/packages/apr.scm: Import (guix licenses) with prefix "l:".
  (apr)[license]: Adapt to license prefix.
  (apr-util)[propagated-inputs]: Add expat.
  [arguments]: Pass --with-expat to configure.
  [license]: Adapt to license prefix.

* gnu/packages/apr.scm (apr): Update to 1.5.2.

* gnu/system.scm (etc-directory)[profile]: Use "." instead of "source",
  the latter being Bash-specific.

* gnu/system.scm (etc-directory)[profile]: Check for
  ~/.guix-profile/etc/profile rather than just ~/.guix-profile.

* gnu/packages/disk.scm (dosfstools): New variable.

* tests/profiles.scm ("etc/profile"): Unset GUIX_PROFILE before sourcing
  etc/profile.  Use '.' instead of 'source' for sourcing.  Call 'echo $PATH'
  instead of using the output of 'set' to determine whether PATH is set.

* gnu/packages/libreoffice.scm (libvisio): New variable.

* gnu/packages/libreoffice.scm (libpagemaker): New variable.

* gnu/packages/libreoffice.scm (libmspub): New variable.

* gnu/packages/libreoffice.scm (libfreehand): New variable.

* gnu/packages/libreoffice.scm (libexttextcat): New variable.

* gnu/packages/libreoffice.scm (libetonyek): New variable.

* gnu/packages/libreoffice.scm (libcdr): New variable.

* gnu/packages/libreoffice.scm (libabw): New variable.

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

Partly fixes <http://bugs.gnu.org/20255>.
Reported by 宋文武 <iyzsong@gmail.com>.

* gnu/system.scm (etc-directory)[profile]: Source
  /run/current-system/profile/etc/profile and
  $HOME/.guix-profile/etc/profile when available.  Move definitions of
  SSL_CERT_DIR, SSL_CERT_FILE, and GIT_SSL_CAINFO before that.

Suggested by 宋文武 <iyzsong@gmail.com>
in <http://bugs.gnu.org/20255>.

* guix/build/profiles.scm (abstract-profile,
  write-environment-variable-definition): New procedures.
  (build-profile): Add #:search-paths parameter.  Create
  OUTPUT/etc/profile.
* guix/profiles.scm (profile-derivation)[builder]: Add 'search-paths'
  variable and pass it to 'build-profile'.  Adjust #:modules argument.
* tests/profiles.scm ("etc/profile"): New test.
* doc/guix.texi (Invoking guix package): Mention etc/profile.

* guix/build/profiles.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/profiles.scm (profile-derivation)[builder]: Call out to
  'build-profile'.
  Add (guix build profiles) to the #:modules argument.

* guix/search-paths.scm (string-tokenize*): Export.
* tests/utils.scm ("string-tokenize*"): Adjust accordingly.

* gnu/packages/moe.scm (moe): Update to 1.7.

* gnu/packages/patches/hop-linker-flags.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/scheme.scm (source)[patches]: Use it.
  (arguments)[phases]: Remove patch-rpath phase.
  [modules, imported-modules]: Remove.
  (native-inputs): Remove field.

* gnu/packages/freedesktop.scm (elogind): New variable.

* gnu/packages/audio.scm (ir): New variable.

* gnu/packages/audio.scm (zita-convolver): New variable.

Previously, code using directly (guix build download) was still affected
by <http://bugs.gnu.org/15368>.  This includes source derivations, the
'guix download' command, and (guix gnu-maintenance).

'guix substitute' was unaffected since it used (guix http-client), which
already had the fix.

* guix/http-client.scm (open-socket-for-uri): Remove.
  (http-fetch): Remove #:buffered? argument to 'open-socket-for-uri';
  use 'setvbuf' instead.
* guix/scripts/substitute.scm (fetch): Likewise.
* guix/build/download.scm (open-socket-for-uri): New procedure, taken
  from guix/http-client.scm, but without the #:buffered? parameter.

* guix/build/download.scm (open-connection-for-uri): Reinstate call to
  'setvbuf' inadvertently removed in d17551d9.