…dating a record correctly.
This patch reduces the number of round trips to the vSphere API by using the `collect!` method on the ManagedObject, vm_mob_ref, which retrieves most of the properties in one request. For the remaining properties: hypervisor and mac_addresses, we still need to make additional requests. Overall this patch provides a nice speed improvement for the `convert_vm_mob_ref_to_attr_hash` method.
…e availability zones.