lxc-archlinux: don't drop mknod capability

Signed-off-by: John Lane <john@lane.uk.net>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
lxc-archlinux: support different architectures

Signed-off-by: John Lane <john@lane.uk.net>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
lxc-archlinux: support enabling systemd units

Signed-off-by: John Lane <john@lane.uk.net>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
lxc-archlinux: optional --root_passwd argument

Signed-off-by: John Lane <john@lane.uk.net>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
lxc-archlinux: Cleanup fstab

It's been brought to my attention that the read-only mount of /proc/sys
is causing problems to archlinux users, so instead just have LXC mount
proc and sysfs normally (read-write).

Reported-by: John Lane <john@lane.uk.net>
Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>