[MOV] website_quote: reorganize addon and split models according to guidelines

addons/website_quote/__init__.py

addons/website_quote/__openerp__.py

addons/website_quote/controllers/__init__.py

addons/website_quote/models/__init__.py

addons/website_quote/models/product_template.py

addons/website_quote/models/sale_order.py

addons/website_quote/models/sale_quote.py

addons/website_quote/report/sale_order_reports.xml

addons/website_quote/report/sale_order_templates.xml

addons/website_quote/report/website_quote_templates.xml

addons/website_quote/views/sale_order_views.xml

addons/website_quote/views/sale_quote_views.xml

addons/website_quote/views/website_quote_templates.xml