gnu: glibc-bootstrap-system.patch: Update for glibc-2.25.

* gnu/packages/patches/glibc-bootstrap-system.patch: Revert a change
from glibc-2.25 which would require the bootstrap-glibc to require the
linux-kernel-headers.

gnu: %static-inputs: Use 'grep' without custom phase.

This reverts commit 1063d325ea76aa2b00dfcd3d436b16e412103df1 for during
creation of the bootstrap-binaries.

* gnu/packages/make-bootstrap.scm (%static-inputs): Use a custom 'grep'
without the absolute path name in fgrep/egrep.

hydra: Add "aarch64-linux-gnu" as a cross-compilation target.

* build-aux/hydra/gnu-system.scm (%cross-targets): Add
"aarch64-linux-gnu".

gnu: gperf: Update to 3.1

* gnu/packages/gperf.scm (gperf): Update to 3.1

gnu: dbus: Update to 1.10.16.

* gnu/packages/glib.scm (dbus): Update to 1.10.16.

gnu: util-linux: Update to 2.29.1.

* gnu/packages/linux.scm (util-linux): Update to 2.29.1.

gnu: guile: Update to 2.0.14.

* gnu/packages/guile.scm (guile-2.0): Update to 2.0.14
[source]: Remove 'patches'.
* gnu/packages/patches/guile-repl-server-test.patch: Remove.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.

gnu: sqlite: Update to 3.17.0.

* gnu/packages/databases.scm (sqlite): Update to 3.17.0.

gnu: lcms: Mention CVE-2016-10165.

* gnu/packages/patches/lcms-fix-out-of-bounds-read.patch: Rename to ...
* gnu/packages/patches/lcms-CVE-2016-10165.patch: ... this.
* gnu/local.mk (dist_patch_DATA): Adjust.
* gnu/packages/ghostscript.scm (lcms)[source]: Use renamed patch.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: lcms: Update to 2.8.

* gnu/packages/ghostscript.scm (lcms): Update to 2.8.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: bash: Remove graft for CVE-2017-5932.

* gnu/packages/bash.scm (bash)[replacement]: Remove.
(bash-minimal)[replacement]: Remove.
(url-fetch/reset-patch-level, bash/fixed): Remove.

Merge branch 'master' into core-updates

gnu: avahi: Add dependency on libcap.

* gnu/packages/avahi.scm (avahi)[inputs]: Add LIBCAP.

gnu: Add font-go.

* gnu/packages/fonts.scm (font-go): New variable.

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

gnu: Add font-iosevka.

* gnu/packages/fonts.scm (font-iosevka): New variable.

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

gnu: Add font-comic-neue.

* gnu/packages/fonts.scm (font-comic-neue): New variable.

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

gnu: Add ovmf.

* gnu/packages/grub.scm (edk2-commit, edk2-version, edk2-origin, ovmf): New
  variables.

gnu: Add seabios.

* gnu/packages/firmware.scm (seabios): New variable.

gnu: Use 'license:' prefix in (gnu packages firmware).

* gnu/packages/firmware.scm (ath9k-htc-firmware, b43-tools,
  openfwwf-firmware): Add prefix.

gnu: Move (gnu packages grub) and (gnu packages u-boot) ...
     to (gnu packages bootloaders).

* gnu/packages/grub.scm: Rename to bootloaders.scm.
* gnu/packages/u-boot.scm: Move to bootloaders.scm.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add bootloaders.scm,
  remove grub.scm and u-boot.scm;
* gnu/system/grub.scm: Import (gnu packages bootloaders).
* gnu/system/install.scm: Import (gnu packages bootloaders).
* gnu/system/vm.scm: Import (gnu packages bootloaders).