Decouple installer from the base image script

This means that the base image does not have the installer anymore
and needs to be copied over.

Part of #152

baseimage/createDOImage

@@ -143,6 +143,10 @@ if ! $ssh22 "root@${server_ip}" "/bin/bash /root/initializeBaseUbuntuImage.sh ${
     exit 1
 fi
 
+echo "Copying installer.sh"
+$scp22 "${SCRIPT_DIR}/../scripts/installer.sh" root@${server_ip}:/etc/installer.sh
+$ssh22 "root@${server_ip}" "chmod +x /etc/installer.sh"
+
 echo "Shutting down server with id : ${server_id}"
 $ssh22 "root@${server_ip}" "shutdown -f now" || true # shutdown sometimes terminates ssh connection immediately making this command fail