TOOLS-459/WORKFLOW-168: Set default wf-runner polling interval to 1second.
TOOLS-459/WORKFLOW-168: Set default wf-runner polling interval to 1second.

kaizengarden/sdc-headnode,numericillustration/sdc-headnode,numericillustration/sdc-headnode,joyent/sdc-headnode,kaizengarden/sdc-headnode,numericillustration/sdc-headnode,kaizengarden/sdc-headnode,kaizengarden/sdc-headnode,joyent/sdc-headnode,joyent/sdc-headnode,joyent/sdc-headnode