Update messages
Update messages

Updating messages with more information, started with
messages from changeVM and went from there.

Change-Id: I0bf60cd28ade02a973fcbacce2b45faa66205c7f

mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk,mfcloud/python-zvm-sdk