Use my_ip for neutron URL
Use my_ip for neutron URL

Currently, neutron URL is set 127.0.0.1 in ironic.conf.
This patch fix this using $my_ip same as other component's URL
(for example glance).

Change-Id: I558fccc74058fcc493cbf52799fe021b12518253

openstack/ironic-lib,faizan-barmawer/elytics,NaohiroTamura/ironic-lib,faizan-barmawer/ironic-lib,citrix-openstack-build/ironic-lib