Remove the wrong way to get IP and bind with it.
Binding with '0.0.0.0' and listen on all host.
Update and fix typos in the snort_integrate.rst document.
Fix the problem about pigrelay reconnect to ryu will not be accepted.
Pigrelay is a program running on Snort that receive Snort alert
from UNIX socket and send to Ryu via network socket.
Signed-off-by: Che-Wei Lin <linton.tw@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>