Extra prints.  REVERTME.

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

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Redefine request/response model.

The response is now just a completion hook, permitting the
request side to finalize resources.  Endpoints "reply" by sending
new messages, as they originally did.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Add OFED and LEVELDB prefixes.

Signed-off-by: Matt Benjamin <matt@linuxbox.com>
Header and spacing cleanups (simple_dispatcher).

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

Dispatcher::ms_dispatch needs ref +1 on the corresponding
connection.  Just assigning through a ConnectionRef by
reference isn't getting a reference automatically, so just
take one before dispatching.

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