[MERGE] forward port of branch saas-3 up to 8c150c60

addons/delivery/stock.py

addons/mail/mail_thread.py

addons/mail/tests/test_mail_gateway.py

addons/mrp/mrp.py

addons/point_of_sale/point_of_sale.py

addons/point_of_sale/security/ir.model.access.csv

addons/purchase_requisition/purchase_requisition.py

addons/warning/warning.py

addons/web/static/src/js/view_form.js

addons/web/static/src/js/view_list_editable.js

openerp/addons/base/res/res_users.py

openerp/models.py