[MERGE] forward port of branch saas-5 up to 655a5b94

addons/payment/models/payment_acquirer.py

addons/payment_paypal/models/paypal.py

addons/point_of_sale/point_of_sale.py

addons/point_of_sale/point_of_sale_view.xml

addons/point_of_sale/res_partner.py

addons/point_of_sale/res_partner_view.xml

addons/point_of_sale/res_users.py

addons/point_of_sale/res_users_view.xml

addons/product/product.py

addons/sale/views/report_saleorder.xml

addons/website/controllers/main.py

addons/website/static/src/css/website.css

addons/website/static/src/css/website.sass

addons/website/static/src/js/website.seo.js

addons/website_quote/__openerp__.py

addons/website_quote/models/order.py

addons/website_quote/views/report_saleorder.xml

addons/website_sale/controllers/main.py

addons/website_sale/static/src/js/website_sale.js

addons/website_sale/views/templates.xml