gnu: icecat: Add several security fixes.

* gnu/packages/patches/icecat-CVE-2015-4513-pt01.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt02.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt03.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt04.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt05.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt06.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt07.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt08.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt09.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt10.patch,
  gnu/packages/patches/icecat-CVE-2015-4513-pt11.patch,
  gnu/packages/patches/icecat-CVE-2015-7188.patch,
  gnu/packages/patches/icecat-CVE-2015-7189.patch,
  gnu/packages/patches/icecat-CVE-2015-7193.patch,
  gnu/packages/patches/icecat-CVE-2015-7194.patch,
  gnu/packages/patches/icecat-CVE-2015-7196.patch,
  gnu/packages/patches/icecat-CVE-2015-7197.patch,
  gnu/packages/patches/icecat-CVE-2015-7198.patch,
  gnu/packages/patches/icecat-CVE-2015-7199.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[source]: Add patches.

gnu: Add byobu.

* gnu/packages/screen.scm (byobu): New variable.
* gnu/packages/patches/byobu-writable-status.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.

system: Rename (gnu system linux) to (gnu system pam).

* gnu/system/linux.scm: Rename to...
* gnu/system/pam.scm: ... this.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.
* gnu.scm, gnu/services/base.scm, gnu/services/desktop.scm,
  gnu/services/networking.scm, gnu/services/ssh.scm,
  gnu/services/xorg.scm, gnu/system.scm, gnu/system/vm.scm: Likewise.

gnu: gsl: Update to 2.0.

* gnu/packages/maths.scm (gsl): Update to 2.0.
  [source]: Remove patches.
* gnu/packages/patches/gsl-poly-test-fix-pt1.patch,
  gnu/packages/patches/gsl-poly-test-fix-pt2.patch: Remove files.
* gnu-system.am (dist_patch_DATA): Remove patches.

gnu: Remove aarddict.

* gnu/packages/aarddict.scm: Remove file.
* gnu-system.am (GNU_SYSTEM_MODULES): Unregister file.

Merge branch 'dbus-update'

gnu: guitarix: Compile in C++11 mode.

* gnu/packages/patches/guitarix-c++11.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/audio.scm (guitarix)[source]: Use it.
  [arguments]: Add --cxxflags to #:configure-flags.

Merge branch 'master' into dbus-update

gnu: xfce4-session: Fix xflock4.

* gnu/packages/patches/xfce4-session-fix-xflock4.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xfce.scm (xfce4-session)[source]: Add patch.

gnu: Move gdbm to (gnu packages databases).

* gnu/packages/gdbm.scm: Remove.
* gnu/packages/databases.scm (gdbm): New variable, from gdbm.scm.
* gnu/packages/avahi.scm, gnu/packages/cyrus-sasl.scm,
  gnu/packages/guile.scm, gnu/packages/mail.scm,
  gnu/packages/man.scm, gnu/packages/pulseaudio.scm,
  gnu/packages/python.scm, gnu/packages/ruby.scm,
  gnu/packages/sawfish.scm: Adjust accordingly.
* gnu-system.am (GNU_SYSTEM_MODULES): Remove gdbm.scm.

gnu: unzip: Reorganize security fixes for improved clarity.

* gnu/packages/patches/unzip-fix-overflows-and-infloop.patch: Delete
  file.  Its contents are now split into the following new files:
* gnu/packages/patches/unzip-CVE-2015-7696.patch,
  gnu/packages/patches/unzip-CVE-2015-7697.patch,
  gnu/packages/patches/unzip-overflow-on-invalid-input.patch: New files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/zip.scm (unzip)[source]: Adjust patches accordingly.

Merge branch 'master' into dbus-update

gnu: bluez: Update to 5.35, fix test.

* gnu/packages/patches/bluez-tests.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/linux.scm (bluez): Update to 5.35.
  [source]: Add patch.

gnu: evilwm: Add patch for lost-focus bug.

* gnu/packages/patches/evilwm-lost-focus-bug.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/wm.scm (evilwm)[source]: Use it.

Revert "gnu: unzip: Reorganize security fixes for improved clarity."

This reverts commit c46c931ecfe7fd4a5cbd979263d28d3f1e02bcca.

gnu: unzip: Reorganize security fixes for improved clarity.

* gnu/packages/patches/unzip-fix-overflows-and-infloop.patch: Delete
  file.  Its contents are now split into the following new files:
* gnu/packages/patches/unzip-CVE-2015-7696.patch,
  gnu/packages/patches/unzip-CVE-2015-7697.patch,
  gnu/packages/patches/unzip-overflow-on-invalid-input.patch: New files.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/zip.scm (unzip)[source]: Adjust patches accordingly.

gnu: dbus: Add variant with proper helper for service activation.

* gnu/packages/patches/dbus-helper-search-path.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/glib.scm (dbus/activation): New variable.

gnu: libdrm: Fix symbol check tests on mips64el and armhf.

* gnu/packages/patches/libdrm-symbol-check.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xdisorg.scm (libdrm)[source]: Add patch.

Merge branch 'master' into dbus-update

gnu: librsvg: Fix tests.

GLib doesn't allow duplicate test case paths any more.

* gnu/packages/patches/librsvg-tests.patch: New file.
* gnu/packages/gnome.scm (librsvg)[source]: Add patch.
* gnu-system.am (dist_patch_DATA): Add it.