Support Zero: namespace API read of configs sans IPs.

* Deployment dependency: Icd143dad6d44e5c1003c0bdf75f1ead8d3d62f0a
* Adds a requirement for an additional right, zero-automation.
* In production, authentication still required.

Change-Id: I4fbb289104d706640cc6e7fe111b8ab1eaa76195
Merge "Support Zero: namespace API read of configs sans IPs."