Updated openstack/openstack
Project: openstack/nova  a99f04dc2a328a29abb8aaadb90b118b13acfc23

Convert v3 ExtendedAvailabilityZone api to v2.1

This patch changes v3 ExtendedAvailabilityZone API to v2.1
and makes v2 unit tests share between v2 and v2.1.

The differences between v2 and v3 are described on the wiki page
https://wiki.openstack.org/wiki/NovaAPIv2tov3.

Partially implements blueprint v2-on-v3-api

Change-Id: I49baff38b7a9dabd40550267c2119fe84137594f