Fix vCD attach failure

On session timeout, the vCD connector needs to reauthenticate
to get a new token.  This authentication must also use a
modern version number, or it will fail.

BUG 718

Change-Id: I9ca1258bdb824ed9acb2f6ca712babc2fc91d8c0
Signed-off-by: beierl <mbeierl@vmware.com>