open client authentication

./run-operations client-authentication aws-demo.yml

adding a replica

For standalone instance:

AWS_PROFILE=datanexus ./add-replica -e "cloud=aws ec2_region=ap-southeast-2 domain=development project=demo tenant=datanexus key_path=$tenant/keys"

For an existing master/replica pair:

AWS_PROFILE=datanexus ./add-replica -e "cloud=aws ec2_region=ap-southeast-2 domain=development project=demo tenant=datanexus key_path=$tenant/keys cluster=a"