No ubuntu user, disallow root login, root shell on tty1

Conflicts:
	ubuntu-14.04/scripts/base.sh
	ubuntu-14.04/template.json
diff --git a/ubuntu-14.04/http/preseed-lvm.cfg b/ubuntu-14.04/http/preseed-lvm.cfg
index 0bb68ec..4690b8e 100644
--- a/ubuntu-14.04/http/preseed-lvm.cfg
+++ b/ubuntu-14.04/http/preseed-lvm.cfg
@@ -60,7 +60,12 @@
 d-i pkgsel/upgrade select none
 
 d-i time/zone string UTC
+d-i passwd/root-login boolean true
+d-i passwd/make-user boolean false
+d-i openssh-server/permit-root-login boolean true
 d-i user-setup/allow-password-weak boolean true
 d-i user-setup/encrypt-home boolean false
 tasksel tasksel/first multiselect minimal, ssh-server, openssh-server
 
+d-i preseed/late_command string \
+    in-target sed -i 's/PermitRootLogin.*/PermitRootLogin yes/g' /etc/ssh/sshd_config