Use "href" instead of "id" in the claimed messages.

Implements: blueprint v1-api

Change-Id: I45a1b1147f318995b6b7802e4512dc75dcddba43
Add the "href" field to listing queues.

Change-Id: I075608016094249a472a25d2e1905d87cbd374e8
Implements: blueprint v1-api