[MERGE] forward port branch saas-11 up to b844d938

addons/account/models/account.py

addons/account/models/account_invoice.py

addons/account/models/account_move.py

addons/account/models/partner.py

addons/account/views/account_view.xml

addons/auth_oauth/models/ir_config_parameter.py

addons/calendar/models/calendar.py

addons/event_sale/models/event.py

addons/google_calendar/models/google_calendar.py

addons/hr_holidays/models/hr_holidays.py

addons/hr_payroll/models/hr_payroll.py

addons/hr_timesheet/project_timesheet.py

addons/l10n_ch/i18n_extra/de.po

addons/l10n_multilang/models/account.py

addons/l10n_multilang/models/l10n_multilang.py

addons/l10n_no/data/account_tax_data.xml

addons/mail/controllers/main.py

addons/mass_mailing/static/src/js/mass_mailing_editor.js

addons/payment_paypal/controllers/main.py

addons/payment_paypal/views/payment_views.xml