[I18N] Update translation terms from Transifex

addons/account/i18n/es.po

addons/account/i18n/et.po

addons/account/i18n/ko.po

addons/account/i18n/ro.po

addons/account_edi_facturx/i18n/ko.po

addons/account_payment/i18n/ko.po

addons/base_setup/i18n/ko.po

addons/calendar/i18n/et.po

addons/calendar_sms/i18n/et.po

addons/crm/i18n/ar.po

addons/crm/i18n/fi.po

addons/digest/i18n/he.po

addons/event/i18n/id.po

addons/event/i18n/ko.po

addons/event_booth_sale/i18n/hu.po

addons/event_booth_sale/i18n/ko.po

addons/event_crm/i18n/fi.po

addons/event_crm/i18n/ko.po

addons/fetchmail_outlook/i18n/et.po

addons/gamification/i18n/ko.po