add version file to package and print version on start

root/var/signalytic/clientapps/streamline/streamline-emr/start

@@ -6,8 +6,13 @@ CONF_FILE=${LOCATION}/instances.conf
 INSTANCES_DIR=${LOCATION}/instances
 COMPOSE_FILE=${LOCATION}/docker-compose.yml
 ENV_TEMPLATE=${LOCATION}/template.env
+VERSION_FILE=${LOCATION}/version
 
-echo "starting all instances"
+version=$(head -n 1 ${VERSION_FILE} 2>/dev/null)
+if [ $? -ne 0 ];then
+  version="unknown version"
+fi
+echo "Starting Streamline EMR: $version"
 
 if [ ! -f "${CONF_FILE}" ]; then
   echo "missing conf file: ${CONF_FILE}"