Bug 1087755 - node.conf#TRAFFIC_CONTROL_ENABLED defaults to true

* Fix check to assume true not false
Updated REST API docs
Merge pull request #5271 from jwhonce/bug/1087755

Merged by openshift-bot
Automatic commit of package [openshift-origin-cartridge-phpmyadmin] release [1.20.2-1].
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Automatic commit of package [openshift-origin-node-proxy] release [1.22.2-1].