Updated openstack/openstack
Project: openstack/nova  f5b61ebc9d7f175691782d12354cc9daf0f715e4

Add API json schema to volumes api(v2.1)

Partially implements blueprint v2-on-v3-api

Change-Id: I2fd9e5a083055d12d9b7182beb902a5cbec8f1a9