[ISSUE #100]Add printcolomns to operator resources

[gobbq]

Ref. #100

The effect is shown below

$ kubectl get nameservice
NAME           SIZE   HOST-NETWORK   AGE
name-service   2      false          15m

$ kubectl get broker
NAME     SIZE   REPLICA-PER-GROUP   ALLOW-RESTART   AGE
broker   1      1                   true            15m

$ kubectl get console
NAME      SIZE   AGE
console   1      78m