Added sample haproxy listener

This method should also insure that SSL certificates from the alias are saved into the SNI directory (IE we should create one. 

This would modify the configuration from https://github.com/openshift/openshift-extras/pull/435#discussion-diff-16606460 to be: 

bind :443 ssl crt /etc/haproxy/default.pem crt /etc/haproxy/certs.d

Allowing for HAProxy to then us SNI routing at the frontend (example): 

use_backend APP-NAMESPACE_backend if APP-NAMESPACE and { ssl_fc_sni ha-APP-NAMESPACE.DOMAIN }