[MERGE] forward port of branch saas-4 up to 65f68c1f

.gitignore

addons/delivery/sale.py

addons/edi/static/src/js/edi.js

addons/event_sale/event_sale.py

addons/gamification/models/goal.py

addons/mail/mail_thread.py

addons/mass_mailing/wizard/mail_compose_message.py

addons/purchase/purchase.py

addons/sale/sale.py

addons/stock/stock.py

addons/web_kanban/static/src/js/kanban.js

openerp/addons/base/security/ir.model.access.csv

openerp/osv/orm.py