Important / security related fixes.

nconfig: Fix for ncurses/ncursesw linking issue causing crashes.

System: Only show getty options when busybox init or sysvinit
are used.

 Infrastructure: Fix build issue for autotools based packages
 checking for C++ support on toolchains without C++ support and
on a distro lacking /lib/cpp (E.G. Arch Linux).

Updated/fixed packages: avahi, berkeleydb, bind, busybox,
ccache, clamav, coreutils, dovecot, eeprog, eudev, fis,
intel-microcode, iputils, irssi, kmsxx, liberation, libiio,
lz4, mariadb, matchbox-lib, mcookie, openocd, php, pound,
rpcbind, squid, tar, ti-cgt-pru, transmission, util-linux,
webkitgtk, wireshark, xen

Issues resolved (http://bugs.buildroot.org):

#9996: lz4 package does not install lz4 binaries in target
#10176: Rsyslog's S01logging is deleted by Busybox.mk from...
#10216: package/x11r7/mcookie/mcookie.c:207: bad size ?
#10301: systemd/getty unused options
#10331: kmsxx, host installation fails with BR2_SHARED_...
#10536: Finding non-relative paths in the ccache
#10641: avahi-autoipd not starting when using systemd-tmpfiles

Important / security related fixes.

Fix divide by zero issue in size-stats script.

Fix makefile include ordering issue with certain make versions
in the external toolchain handling.

Updated/fixed packages: dhcp, exim, flann, gdb, heimdal,
libcue, libcurl, libevent, libpqxx, libsoxr, linphone, lldpd,
mariadb, mfgtools, mtools, nodejs, nut, openssl, rsync,
samba4, tor, vlc, webkitgtk, wireshark, xfsprogs,
xlib_libXcursor, xlib_libXfont, xlib_libXfont2

	Important / security related fixes.

	Webkitgtk bumped to the 2.16.x series, fixing a large number
	of security issues.

	host-aespipe compile fix for Debian/Gentoo/Ubuntu toolchains
	which default to PIE mode.

	Updated/fixed packages: aespipe, apache, bind, binutils,
	ccache, collectd, efibootmgr, efivar, expat, ffmpeg, gcc,
	heimdal, iproute2, irssi, libglib2, libmemcached, libosip2,
	libtirpc, libxml-parser-perl, linux-fusion, linux-zigbee,
	mpg123, nodejs, orc, pcre, php, pulseaudio,
	python-setproctitle, qt5base, rpi-firmware, samba4, syslinux,
	systemd, spice, tiff, webkitgtk, x265, xen,
	xserver_xorg-server, xvisor

	Issues resolved (http://bugs.buildroot.org):

	#10061: gcc5.4 buildroot toolchain for powerpc libsanitizer...