CLOUDSTACK-5993: Cloud agent fails to start on 32-bit system vms (cpvm and ssvm) created with 4GB RAM offering
Capped the max heap size of the JVM at 2600M for 32-bit system VMs. For 64-bit, existing logic works fine.
CLOUDSTACK-5989: Trying to start a vm while 'vm snapshot' is in progress results in inconsistency
The fix is to fail the start operation if a vm snapshot is in progress
CLOUDSTACK-5998. [AWSAPI] describe addresses call returns a fault with "domain cannot be null!!".