upon disconnection - xio_close sends fin request and wait for ack.
if peer is hanged then ack is not sent and requester is waiting forever.
timeout for fin request was added to handle fine request timeout.
this patch fix reported bug 1328344.

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

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