allow circle API env overrides
allow circle API env overrides

rackspace-orchestration-templates/jenkins,rackspace-orchestration-templates/jenkins,pratikmallya/jenkins,pratikmallya/jenkins,rackspace-orchestration-templates/jenkins,rackspace-orchestration-templates/jenkins,pratikmallya/jenkins,brint/jenkins,pratikmallya/jenkins,brint/jenkins,brint/jenkins,brint/jenkins