system/verbatim-files: ssh: ssh{,d}_config: bump.
system/archlinux: mirrorlist: bump.
system/verbatim-files: locale.gen: bump.
system/verbatim-files: sudo.conf: ditch qt4-ssh-askpass (too ugly and non-hidpi-ready).
system/archlinux: *.conf: update for armv7l.
system/archlinux: makepkg.conf: -fstack-protector-strong is not available in ARM toolchain.