gnu: Add Aegis.

* gnu/packages/version-control.scm (aegis): New variable.
* gnu/packages/patches/aegis-constness-error.patch: New file.
* gnu/packages/patches/aegis-perl-tempdir1.patch: New file.
* gnu/packages/patches/aegis-perl-tempdir2.patch: New file.
* gnu/packages/patches/aegis-test-fixup-1.patch: New file.
* gnu/packages/patches/aegis-test-fixup-2.patch: New file.

gnu: whitespace change only

* gnu/packages/version-control.scm: Remove blank line

gnu: apr-util: Run 'make check' sequentially.

* gnu/packages/apr.scm (apr-util)[arguments]: Add #:parallel-tests?.

Merge branch 'gettext-upgrade'

gnu: ffmpeg: Update to 2.3.

* gnu/packages/video.scm (ffmpeg): Update to version 2.3.

Signed-off-by: Jason Self <j@jxself.org>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: libogg: Update to 1.3.2.

* gnu/packages/xiph.scm (libogg): Update to version 1.3.2.

Signed-off-by: Jason Self <j@jxself.org>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

install: Show the "System Installation" node.

* gnu/system/install.scm (log-to-info): Go to the new 'System
  Installation' node.

gnu: guix: Upgrade development snapshot.

* gnu/packages/package-management.scm (guix): Upgrade to commit
  0ae8c15.

doc: Add "Initial RAM Disk" section.

* doc/guix.texi (Initial RAM Disk): New node.
* gnu/system/linux-initrd.scm (expression->initrd): Adjust docstring.

services: Add 'console-font-service'.

* gnu/services/base.scm (unicode-start, console-font-service): New
  procedures.
  (%base-services): Call 'console-font-service' for TTY1 to TTY6.
* gnu/system/install.scm (installation-services): Add comment about the
  console font.  Call 'console-font-service' for TTY1 to TTY6.

services: syslog: Don't write trivial error messages to /dev/console.

* gnu/services/base.scm (syslog-service): Change "*.err" to "*.alert".

system: Add e2fsprogs to the base packages.

* gnu/system.scm (%base-packages): Add E2FSPROGS.

system: Use kmod instead of module-init-tools.

* gnu/system.scm (%base-packages): Use kmod instead of
  module-init-tools.

gnu: kbd: Make sure unicode_{start,stop} work as expected.

* gnu/packages/linux.scm (kbd): Patch 'src/unicode_{start,stop}' to use
  'tty'.
  <phases>: Add 'post-install' phase.

gnu: Tinyproxy: Cleanup xml dependencies

* gnu/packages/web.scm (tinyproxy): Use the XML catalog from docbook instead of
  generating a temporary one.

gnu: Enable gnome-doc-utils tests

* gnu/packages/gnome (gnome-doc-utils): Set the XML_CATALOG_FILES variable and
  enable the tests.

gnu: docbook-xsl write absolute file:// uris in catalogs instead of ./ relative ones

* gnu/packages/docbook.scm (docbook-xsl):  Replace ./ paths with file:// uris

gnu: docbook-xml: Substitute remote xml_catalog uris with local ones.

* gnu/packages/docbook.scm: substitute remote uri with local ones.

gnu: Add docbook-xml version 4.3 and 4.4

* gnu/packages/docbook.scm (docbook-xml-4.3, docbook-xml-4.4): New variables.

gnu: docbook-xsl update to 1.78.1

* gnu/packages/docbook.scm (docbook-xsl): Upgrade to version 1.78.1