Update translation setup for neutron subprojects
Update translation setup for neutron subprojects

The infra and i18n team is now setting up the new infra setup
for translations. This commit updates the corresponding devref
document on the subproject guidelines.
For more detail, see the infra spec available at
http://specs.openstack.org/openstack-infra/infra-specs/specs/translation_setup.html.

This basically renames $reponame/locale/$reponame.pot to
$modulename/locale/$modulename.pot.

Change-Id: I7e402453a53fc7b13193f65c71aa1764f1c18924

openstack/neutron,mahak/neutron,openstack/neutron,sebrandon1/neutron,bigswitch/neutron,mahak/neutron,cloudbase/neutron,klmitch/neutron,MaximNevrov/neutron,huntxu/neutron,bigswitch/neutron,noironetworks/neutron,mahak/neutron,MaximNevrov/neutron,dims/neutron,eayunstack/neutron,openstack/neutron,igor-toga/local-snat,wolverineav/neutron,dims/neutron,noironetworks/neutron,cloudbase/neutron,wolverineav/neutron,huntxu/neutron,igor-toga/local-snat,klmitch/neutron,sebrandon1/neutron,eayunstack/neutron