re-add flags for consul and eureka until these fields can be set by config/file (#5339)
re-add flags for consul and eureka until these fields can be set by config/file (#5339)


smawson/istio,geeknoid/istio,smawson/istio,smawson/istio,geeknoid/istio,smawson/istio,frankbu/istio,istio/istio,frankbu/istio,frankbu/istio,smawson/istio,istio/istio,frankbu/istio,geeknoid/istio,geeknoid/istio,frankbu/istio,frankbu/istio,geeknoid/istio,istio/istio,istio/istio,smawson/istio,istio/istio,geeknoid/istio