Add a sample to show how to filter Events for a VM for relocate
Add a sample to show how to filter Events for a VM for relocate

I didn't see any examples for filtering events and there was
a request for an example to get relocate events for a VM.

jm66/pyvmomi-community-samples,vmware/pyvmomi-community-samples,prziborowski/pyvmomi-community-samples,ddcrjlalumiere/pyvmomi-community-samples,pathcl/pyvmomi-community-samples