Option Consistency for availability_zone.py
Option Consistency for availability_zone.py

This was already partially completed in a previous commit
de2df72cd1f97f38e6c20f5a7b099b16454e9162.

blueprint centralize-config-options-newton

Change-Id: If74607ccc90e373608007907b5e81d6ff5eba70c

Juniper/nova,hanlind/nova,rajalokan/nova,Juniper/nova,gooddata/openstack-nova,gooddata/openstack-nova,rahulunair/nova,alaski/nova,gooddata/openstack-nova,Juniper/nova,vmturbo/nova,klmitch/nova,rahulunair/nova,openstack/nova,rajalokan/nova,mikalstill/nova,rajalokan/nova,phenoxim/nova,openstack/nova,jianghuaw/nova,cloudbase/nova,gooddata/openstack-nova,cloudbase/nova,klmitch/nova,vmturbo/nova,openstack/nova,mahak/nova,rahulunair/nova,jianghuaw/nova,rajalokan/nova,hanlind/nova,mikalstill/nova,sebrandon1/nova,klmitch/nova,sebrandon1/nova,Juniper/nova,vmturbo/nova,phenoxim/nova,mikalstill/nova,jianghuaw/nova,mahak/nova,alaski/nova,klmitch/nova,hanlind/nova,vmturbo/nova,mahak/nova,cloudbase/nova,sebrandon1/nova,jianghuaw/nova