Add additional named host entries when using named component

* Provide a NAMED_ENTRIES argument to the script or export
  CONF_NAMED_ENTRIES environment variable with comma delimited
  host:ipaddress pairs (colon delimited host and ipaddress)
Merge pull request #69 from calfonso/enterprise-2.0

Add additional named host entries when using named component
Update install scripts to configure openshift-iptables-port-proxy
Switching to use the errata puddle yum repo names