gnu: guile-git: Install .go files to /site-ccache.

* gnu/packages/guile.scm (guile-git)[arguments] <bootstrap>: Change
"/ccache" to "/site-ccache" in Makefile.am.

gnu: sddm: Build without greenisland.

This Wayland compositor is currently abandonware and has known problems.

* gnu/packages/display-managers.scm (sddm)[inputs]: Remove GREENISLAND.

gnu: khmer: Build with gcc-4.

* gnu/packages/bioinformatics.scm (khmer)[inputs]: Add gcc-4.9.

gnu: rapidjson: Fix building on aarch64.

* gnu/packages/web.scm (rapidjson)[arguments]: Add custom phase for
aarch64 to fix -march detection.

hydra: Don't build deprecated packages.

* build-aux/hydra/gnu-system.scm (hydra-jobs): When iterating over the
packages, exclude those that match 'package-superseded'.

gnu: mlocate: Update URLs.

* gnu/packages/search.scm (mlocate)[source, home-page]: Change URLs to
pagure.{org,io}.

gnu: ruby-concurrent: Work around test failure on ARM.

* gnu/packages/patches/ruby-concurrent-test-arm.patch: New file.
* gnu/packages/ruby.scm (ruby-concurrent)[source](patches): Add it.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: guix: Include the aarch64 bootstrap Guile.

* gnu/packages/package-management.scm (boot-guile-uri): Add case for aarch64.
(guix-0.12.0)[arguments] <copy-bootstrap-guile>: Handle aarch64.
[inputs]: Add "boot-guile/aarch64".

Merge branch 'master' into core-updates

Most conflicts are from 6fd52309b8f52c9bb59fccffac53e029ce94b698.

gnu: linux-libre: Update to 4.10.7.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.10.7.
(%linux-libre-hash): Update hash.

gnu: linux-libre@4.9: Update to 4.9.19.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.19.

gnu: linux-libre@4.4: Update to 4.4.58.

* gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.58.

gnu: chez-scheme: Fix build failure in 'reset-gzip-timestamps' phase.

* gnu/packages/chez.scm (chez-scheme)[arguments]: Add 'make-manpages-writable'
phase.

gnu: kodi: Update to 18.0_alpha-1-ec5d53d.

* gnu/packages/kodi.scm (kodi): Update to 18.0_alpha-1-ec5d53d.
[inputs]: Replace LIBYAJL with RAPIDJSON.

gnu: kodi: Remove silly wrapper script.

* gnu/packages/kodi.scm (kodi)[arguments]: Add SYSTEM_LDFLAGS in
configure-flags. Remove 'wrap' phase. Enable previously failing tests.

gnu: kodi: Embed full path to tzdata.

* gnu/packages/kodi.scm (kodi)[arguments]: Add substitution for tzdata in
'patch-stuff' phase.
[inputs]: Add TZDATA.

gnu: ceph: Update to 12.0.1.

* gnu/packages/storage.scm (ceph): Update to 12.0.1.
[arguments]: Disable one new test.
* gnu/packages/patches/ceph-disable-cpu-optimizations.patch: Adjust context.

gnu: xcb-util-cursor: Update to 0.1.3.

* gnu/packages/xorg.scm (xcb-util-cursor): Update to 0.1.3.
[source]: Change to bz2 archive.

gnu: libevdev: Update to 1.5.6.

* gnu/packages/xorg.scm (libevdev): Update to 1.5.6.

gnu: libinput: Update to 1.7.0.

* gnu/packages/freedesktop.scm (libinput, libinput-minimal): Update to 1.7.0.