Makes it easier to figure out what versions we're expecting where.

Move server device to using device features instead of message attributes

This change passes the ProtocolCommunicationSpecifier down into
ProtocolIdentifier::identify(), which affects all protocols, but
means that the identify() method can access the same data that
was used to decide that this was a suitable protocol implementation
in the first place.

Fixes #547

windows-rs 0.58 has some sort of incompability with IAsyncOperation

The device advertises as LVS-Z14 but DeviceType returns FS...

Actually use limits

In order to make configuration changes to configs while servers are
running, we need to allow an Arc<DeviceConfigurationManager> to be
passed to a new server. We can then handle updates via interior
mutability.

Requires files anyways.

Just load directly into the DCM builder now.

Make sure actuator/sensor features are bound via type, not just value checking.