[IMP] base: Adapt address format for Japan.

Purpose
=======

ja_JP: the implemented language font in Odoo is not Japanese but Chinese.

In Japan address structure is different:
First: Postal code
Next: City +  ward (like a neighbourhoos name)
Next: Building (all buildings have names)
Name: Customer or Company

Specification
===========

New address structure for Japan:
%(zip)s
%(state_name)s %(city)s
%(street)s
%(street2)s
%(country_name)s

In Countries form view, add one selection field which set the customer name position in reports base on the customer country settings.