Fix for NMS-6162 - Avoid adding port groups to VMWare topology

topologyNetworks -
Add the network information to the VMWare Topology
Default: true

topologyDatastores -
Add the datastores information to the VMWare Topology
Default: true

topologyPortGroups -
Add the port groups information (distributed virtual switches) to the
VMWare Topology
Default: false

Bonus Feature:
The CPU and Memory information for VMs and ESX Hosts is going to be
if available.