Bug 1087755 - node.conf#TRAFFIC_CONTROL_ENABLED defaults to true

* Fix check to assume true not false
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].
Automatic commit of package [rubygem-openshift-origin-node] release [1.23.5-1].
Automatic commit of package [rubygem-openshift-origin-auth-remote-user] release [1.19.5-1].
Automatic commit of package [openshift-origin-cartridge-haproxy] release [1.23.4-1].
Automatic commit of package [openshift-origin-cartridge-jbosseap] release [2.16.2-1].
Automatic commit of package [openshift-origin-cartridge-jbossews] release [1.22.2-1].
Automatic commit of package [openshift-origin-cartridge-postgresql] release [1.23.2-1].
Automatic commit of package [openshift-origin-cartridge-jenkins] release [1.20.2-1].
Automatic commit of package [openshift-origin-cartridge-mysql] release [1.23.3-1].
Automatic commit of package [openshift-origin-logshifter] release [1.5.2-1].
Automatic commit of package [openshift-origin-cartridge-php] release [1.23.2-1].
Automatic commit of package [openshift-origin-cartridge-mongodb] release [1.19.2-1].
Automatic commit of package [openshift-origin-cartridge-python] release [1.23.3-1].
Automatic commit of package [rubygem-openshift-origin-controller] release [1.23.5-1].
Automatic commit of package [openshift-origin-cartridge-jbossas] release [1.23.2-1].
Automatic commit of package [openshift-origin-cartridge-diy] release [1.21.2-1].
Automatic commit of package [openshift-origin-node-proxy] release [1.22.2-1].
Automatic commit of package [openshift-origin-cartridge-dependencies] release [1.23.2-1].