Replace numbered build scripts with updated ones

build/scripts/prepare.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+set -e
+source /build/config
+set -x
+
+## Temporarily disable dpkg fsync to make building faster.
+echo force-unsafe-io > /etc/dpkg/dpkg.cfg.d/02apt-speedup
+
+## Prevent initramfs updates from trying to run grub and lilo.
+## https://journal.paul.querna.org/articles/2013/10/15/docker-ubuntu-on-rackspace/
+## http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=594189
+export INITRD=no
+mkdir -p /etc/container_environment
+echo -n no > /etc/container_environment/INITRD
+
+## Enable Ubuntu Universe and Multiverse.
+sed -i 's/^#\s*\(deb.*universe\)$/\1/g' /etc/apt/sources.list
+sed -i 's/^#\s*\(deb.*multiverse\)$/\1/g' /etc/apt/sources.list
+apt-get update
+
+## Fix some issues with APT packages
+## See https://github.com/dotcloud/docker/issues/1024
+dpkg-divert --local --rename --add /sbin/initctl
+ln -sf /bin/true /sbin/initctl
+
+## Replace the 'ischroot' tool to make it always return true
+## Prevent initscripts updates from breaking /dev/shm
+## https://journal.paul.querna.org/articles/2013/10/15/docker-ubuntu-on-rackspace/
+## https://bugs.launchpad.net/launchpad/+bug/974584
+dpkg-divert --local --rename --add /usr/bin/ischroot
+ln -sf /bin/true /usr/bin/ischroot
+
+## Install HTTPS support for APT
+$minimal_apt_get_install apt-transport-https
+
+## Upgrade all packages
+apt-get dist-upgrade -y --no-install-recommends
+
+## Fix locale
+$minimal_apt_get_install language-pack-en
+locale-gen en_US
+
+## Create directory for boot scripts
+mkdir /opt/init.d/