[MERGE] forward port branch 8.0 up to 86a9b789

addons/account/i18n/cs.po

addons/account/i18n/fi.po

addons/account/i18n/th.po

addons/account/i18n/uk.po

addons/account_asset/i18n/el.po

addons/account_asset/i18n/sl.po

addons/account_asset/i18n/uk.po

addons/account_budget/i18n/uk.po

addons/account_cancel/i18n/ro.po

addons/account_followup/i18n/el.po

addons/account_test/i18n/cs.po

addons/account_voucher/account_voucher.py

addons/auth_signup/i18n/ro.po

addons/base_setup/i18n/ro.po

addons/calendar/i18n/th.po

addons/crm_partner_assign/i18n/ro.po

addons/fleet/i18n/el.po

addons/hr_expense/i18n/cs.po

addons/hr_recruitment/i18n/el.po

addons/hr_timesheet/i18n/ro.po