[ec2] add default provisioning script

scripts/image_remaster_post.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+# execute parent script
+/sabayon/scripts/remaster_post.sh
+if [ "${?}" != "0" ]; then
+	exit 1
+fi
+
+# Setup provisioning script for Amazon EC2 to load at startup
+EC2_DIR="/sabayon/remaster/ec2_image"
+PROV_SCRIPT="ec2.start"
+cp -p "${EC2_DIR}/${PROV_SCRIPT}" "${CHROOT_DIR}/etc/local.d/"  || exit 1
+chown root:root "${CHROOT_DIR}/etc/local.d/${PROV_SCRIPT}" || exit 1
+chmod 744 "${CHROOT_DIR}/etc/local.d/${PROV_SCRIPT}" || exit 1
+
+exit 0