run-in-docker starts refstack over https, fix docs

run-in-docker starts the refstack server on port 443 with
a self-signed cert. Update the documentation to change the
default port from 8000 to 443

Change-Id: I21e6451ce623f83e938bef5aeaee14835a660392

run-in-docker

@@ -15,7 +15,7 @@ echo "If you want to get access to your local RefStack not only from localhost,
 echo "please specify public RefStack host:port in env[REFSTACK_HOST]."
 echo "You can customize RefStack API config by editing docker/refstack.conf.tmpl."
 echo "It is bash template. You can use \${SOME_ENV_VARIABLE} in it."
-echo "Default is 127.0.0.1:8000"
+echo "Default is 127.0.0.1:443"
 echo ""
 echo "  -r    Force delete '${CONTAINER}' container and run it again."
 echo "        Main usecase for it - updating config from templates"