Permit AuthNoneAuthorizeHandler empty authorizer.

This removed an unexpected fault using XioMessenger for
Mon traffic, before Firefly merge.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Accelio in MonClient.

Permit RadosClient to conditionally use Accelio (--xio)
when communicating with the Monitors.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Accelio in Objecter.

Permit RadosClient to conditionally use Accelio (--xio)
when communicating with OSDs.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>