add travis config option to publish candidate releases to netflix candidate repo
add travis config option to publish candidate releases to netflix candidate repo

spencergibb/eureka,Netflix/eureka,tbak/eureka,Netflix/eureka,brharrington/eureka,qiangdavidliu/eureka,qiangdavidliu/eureka,brharrington/eureka,elandau/eureka,krutsko/eureka,krutsko/eureka,tbak/eureka,spencergibb/eureka,elandau/eureka,tbak/eureka