 not held across the invocation on the servant. The locks are also not
held across the invocation on the AdapterActivator and ServantManagers.
This allows us to use regular locks instead of recursive locks inside the
POA. This also allows multiple threads to dispatch requests on the same
POA simultaneous.</li>

<li>
Before 1.4.6 TAO supports reference counting between POA and servants, including
the new RefCountServantBase and ServantBase_var classes. RefCountServantBase
is a reference counted base class th