CLOUDSTACK-6463: password is not set for VMs created from password enabled template
CLOUDSTACK-6466: cpu and ram is not getting updated correctly in usage_vm_instance table for usage type 2
Cloudstack-5077: reserve cpu and memory only when vmware.reserve.cpu/mem are set to true. Insted of setting the ovecommit values to one on upgrade, we popultate them from the global values.

Conflicts:
	engine/schema/src/com/cloud/upgrade/dao/Upgrade410to420.java
	engine/schema/src/com/cloud/upgrade/dao/Upgrade420to421.java
	plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java