Updated openstack/openstack
Project: openstack-dev/devstack  129166c2d9ab4135143467eb23a8201410a4ed35

Fix NOVA_API_VERSION option

lib/nova checks NOVA_API_VERSION for setting Nova v2.1 API endpoint,
but the name of the initialization is different.
This patch fixes it.

Change-Id: I2fa234d66fe76b2a7146288adc1384b33921e178