Correct normal status codes for v2.0 admin docs
Correct normal status codes for v2.0 admin docs

20X http status codes don't represent errors.

Change-Id: I425b898033d7c3007405f57981961708854c8cee

cernops/keystone,openstack/keystone,ilay09/keystone,ilay09/keystone,openstack/keystone,cernops/keystone,openstack/keystone,ilay09/keystone,mahak/keystone,mahak/keystone,rajalokan/keystone,mahak/keystone,rajalokan/keystone,rajalokan/keystone