The availability zones support will now include also data-store ids.
The configuration will include a name for each availability zone, resource pool
ID, datastore ID and optionally also HA datastore ID.
The user can choose a hint from this list when creating a router or a network.
The relevant edge appliances will be created using this data.
DocImpact: New format for the configuration parameter availability_zones under nsxv
Should include a list of availability zones. For each of them name, resource pool id,
datastore id and optionally also HA datastore id.
Change-Id: Icb72f6f674b8610687a6be730161a206d4c76257
654b12fd55