CLOUDSTACK-6659: fixed the name for the updateIpAddress API command
CLOUDSTACK-6675: updatePFRule - retrieve network sync object based on the PF rule id that is passed in to the call; not the public ip address
CLOUDSTACK-6660: Dont assume every vm will have a root volume now.
(cherry picked from commit 076bbdcfe86d6886ab1ecfc513b02a323a995307)