Snapshot of running VM always includes memory

[m-bucher]

fog-vsphere/lib/fog/vsphere/requests/compute/vm_take_snapshot.rb

Line 12 in 6333944

memory: options['memory'] || true,

This came up in ATIX-AG/foreman_snapshot_management#67

Also: is there a reason quiesce is not set to true by default? From the description in the vmware-docs it sounds like something that one would like to have enabled.