key: cm vm: Modify the VM command to better integrate the keys for VMs

[vaglomangirish]

• Store VM Data in DB
• Create association of the key with vm in db
• While deleting the key issue warning that you will lose access to associated machines.

[laszewsk]

what is status

[vaglomangirish]

This item is related to the key management for VMs which still needs to be worked upon.

[laszewsk]

we may need to redesign the key related classes and commands