no need to escape pipes in twlight_docker_deploy.sh usage string.
if [ -z "$1" ] || [ -z "$2" ]
then
echo "Usage: twlight_docker_deploy.sh \$env \$tag
- \$env docker swarm environment (eg. staging \| production).
- \$tag docker hub image tag (eg. branch_staging \| branch_production \| latest)"
+ \$env docker swarm environment (eg. staging | production).
+ \$tag docker hub image tag (eg. branch_staging | branch_production | latest)"
exit 1;
fi
