send nop update:

1. send nops on idle mode when there are still in flight messages and the last
sent message was not signaled
2. set IBV_SEND_FENCE flag to nops.

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
1. adding support for connection in flight sends budget.
2. delaying state change from xio_disconnect to fin request send completion
3. adding one way messages special send completion callback

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
Introducing new one way test

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
Disabling disconnection test that was initiated, intentionally by server or by
client. example now run endlessly

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
Updating .gitignore

Signed-off-by: Eyal Salomon <esalomon@mellanox.com>