Load the run image after setup and selfupdate

setup/scripts/setup

-#!/bin/sh
+#!/bin/bash
 
 cp /usr/local/bin/l3d /setup/l3d
 cp /usr/local/bin/prepareMac4L3d /setup/prepareMac4L3d
-docker pull registry.lakedrops.com/docker/l3d/run:${L3DVERSION} 2>&1
+if [[ -z ${L3DVERSION} ]]; then
+  docker pull registry.lakedrops.com/docker/l3d/run:${L3DVERSION} 2>&1
+else
+  docker pull registry.lakedrops.com/docker/l3d/run:latest 2>&1
+fi
 
 echo "L3D installed successfully!"
 echo ""