OpenDaylight used 8181 to listen for REST calls(openstack-with-netvirt.rst)

In latest OpenDaylight(Neon) has changed default jetty.port from 8080 to 8181 in configuration file "/etc/jetty.conf", which port to listen for Rest calls.

Therefore, I recommand changing the part of openstack-with-netvirt.rst about Configuring Neutron to use OpenDaylight.