[MERGE] forward port of branch saas-6 up to 12d79962

addons/account/models/account_invoice.py

addons/auth_oauth/controllers/main.py

addons/base_action_rule/base_action_rule.py

addons/event/models/event.py

addons/mass_mailing/wizard/test_mailing.py

addons/point_of_sale/static/src/js/models.js

addons/web/static/src/js/views/form_view.js

addons/web/static/src/js/views/pivot_view.js

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

doc/cla/corporate/eugeconsulting.md

openerp/addons/base/ir/ir_translation.py

openerp/addons/test_new_api/demo_data.xml

openerp/addons/test_new_api/ir.model.access.csv

openerp/addons/test_new_api/models.py

openerp/addons/test_new_api/tests/__init__.py

openerp/addons/test_new_api/tests/test_domain.py

openerp/models.py

openerp/osv/expression.py

openerp/tools/mail.py