Added sample haproxy listener

This needs to ensure that the following is setup with a wild-card certificate for the CLOUD-DOMAIN 

Often times you can pull the certificates from /etc/pki/tls/certs/localhost.crt or /etc/pki/tls/private/localhost.key off a node. 

This then allows you to configure the following: 

   bind :80
   bind :443 ssl crt /etc/haproxy/default.pem

To accept SSL connections on the proxy and terminate the SSL at the proxy. 

default.pem is created in this fashion: `cat localhost.crt localhost.key > default.pem`