use 1 controller in travis/local env (#3035)
use 1 controller in travis/local env (#3035)


style95/openwhisk,style95/openwhisk,starpit/openwhisk,sven-lange-last/openwhisk,sven-lange-last/openwhisk,jasonpet/openwhisk,starpit/openwhisk,csantanapr/incubator-openwhisk,paulcastro/openwhisk,RSulzmann/openwhisk,devbv/incubator-openwhisk,csantanapr/incubator-openwhisk,markusthoemmes/openwhisk,cbickel/openwhisk,RSulzmann/openwhisk,rabbah/openwhisk,openwhisk/openwhisk,sven-lange-last/openwhisk,houshengbo/openwhisk,jasonpet/openwhisk,akrabat/openwhisk,paulcastro/openwhisk,starpit/openwhisk,akrabat/openwhisk,openwhisk/openwhisk,jeremiaswerner/openwhisk,jeremiaswerner/openwhisk,paulcastro/openwhisk,markusthoemmes/openwhisk,markusthoemmes/openwhisk,style95/openwhisk,markusthoemmes/openwhisk,dubeejw/openwhisk,csantanapr/incubator-openwhisk,cbickel/openwhisk,jeremiaswerner/openwhisk,csantanapr/incubator-openwhisk,houshengbo/openwhisk,cbickel/openwhisk,jasonpet/openwhisk,markusthoemmes/openwhisk,jasonpet/openwhisk,paulcastro/openwhisk,openwhisk/openwhisk,dubeejw/openwhisk,rabbah/openwhisk,dubeejw/openwhisk,markusthoemmes/openwhisk,csantanapr/incubator-openwhisk,jasonpet/openwhisk,jeremiaswerner/openwhisk,sven-lange-last/openwhisk,style95/openwhisk,RSulzmann/openwhisk,csantanapr/incubator-openwhisk,devbv/incubator-openwhisk,houshengbo/openwhisk,sven-lange-last/openwhisk,rabbah/openwhisk,dubeejw/openwhisk,dubeejw/openwhisk,sven-lange-last/openwhisk,dubeejw/openwhisk,rabbah/openwhisk,houshengbo/openwhisk,RSulzmann/openwhisk,RSulzmann/openwhisk,devbv/incubator-openwhisk,markusthoemmes/openwhisk,houshengbo/openwhisk,rabbah/openwhisk,rabbah/openwhisk,cbickel/openwhisk,markusthoemmes/openwhisk,style95/openwhisk,jeremiaswerner/openwhisk,rabbah/openwhisk,jasonpet/openwhisk,openwhisk/openwhisk,RSulzmann/openwhisk,houshengbo/openwhisk,cbickel/openwhisk,paulcastro/openwhisk,akrabat/openwhisk,devbv/incubator-openwhisk,sven-lange-last/openwhisk,jeremiaswerner/openwhisk,style95/openwhisk,starpit/openwhisk,style95/openwhisk,akrabat/openwhisk,starpit/openwhisk,akrabat/openwhisk,cbickel/openwhisk,openwhisk/openwhisk,cbickel/openwhisk,paulcastro/openwhisk,akrabat/openwhisk,jasonpet/openwhisk,RSulzmann/openwhisk,starpit/openwhisk,devbv/incubator-openwhisk,openwhisk/openwhisk,csantanapr/incubator-openwhisk,houshengbo/openwhisk,paulcastro/openwhisk,jeremiaswerner/openwhisk,akrabat/openwhisk