Password shown in plain text in Broker Describe output

[phanimullapudi]

Is your feature request related to a problem?
When we describe kubectl describe broker/brokername - the password is shown as plain text.

Describe the solution you'd like
It should be hidden like any other secret.

Describe alternatives you've considered
N.A

Users: Console Access: true Groups: Password: adminpassneeds12chars Username: admin
@jaypipes @mcmains7812

[jaypipes]

Working on #748 as a pre-requisite step for this.