Bug 1064219 - handle iptables rules

Via rpm itself, copy over iptables rules configs and backups from
/etc/openshift to /var/lib/openshift/.httpd.d before installing
new files and delete old files after the upgrade.

also, do not delete *.rpmnew in %post

	modified:   node/rubygem-openshift-origin-node.spec
Merge pull request #4759 from lsm5/iptables-rules-new-spec

Merged by openshift-bot