[I18N] Update translation terms from Transifex

addons/account/i18n/et.po

addons/account/i18n/he.po

addons/account/i18n/sv.po

addons/account/i18n/zh_TW.po

addons/account_bank_statement_import/i18n/et.po

addons/base_iban/i18n/et.po

addons/base_import/i18n/et.po

addons/crm_reveal/i18n/sv.po

addons/event/i18n/et.po

addons/hr_expense/i18n/et.po

addons/hr_expense/i18n/fa.po

addons/hr_expense/i18n/sv.po

addons/hr_holidays/i18n/fa.po

addons/hr_maintenance/i18n/fa.po

addons/hr_recruitment/i18n/fa.po

addons/hr_timesheet_attendance/i18n/sv.po

addons/mail/i18n/et.po

addons/mail/i18n/fi.po

addons/maintenance/i18n/fa.po

addons/mass_mailing/i18n/et.po