The "GetVirtualID" method is stubbed for our Redifsh implementation and
always returns the same values. This change uses the Redfish client to
retrieve the correct virtual media ID and type.
Closes #141
Change-Id: I319b89c13349e7b2f5bf6eb8ced97c949e5f44b5
Signed-off-by: Drew Walters <andrew.walters@att.com>