CLOUDSTACK-2402. DOC. Document volume snapshot enhancements for VMware.
CLOUDSTACK-4142: listNetworkOfferings API has been changed to not return system-owned network offerings to regular user(domain user). Therefore, change UI to determine whether a network has ELB service/capability upon listNetworks API response instead of listNetworkOfferings API response.
CLOUDSTACK-3538: if passcmdline succeed, don't need to retry again, and increase the retry to 5 minutes at most