[I18N] Update translation terms from Transifex

addons/account/i18n/es.po

addons/account/i18n/mn.po

addons/account/i18n/ro.po

addons/account/i18n/zh_TW.po

addons/account_analytic_default/i18n/mn.po

addons/account_bank_statement_import/i18n/mn.po

addons/account_bank_statement_import/i18n/uk.po

addons/account_payment/i18n/mn.po

addons/account_test/i18n/mn.po

addons/account_voucher/i18n/mn.po

addons/account_voucher/i18n/ro.po

addons/analytic/i18n/mn.po

addons/bus/i18n/hu.po

addons/crm/i18n/mn.po

addons/crm/i18n/ro.po

addons/crm/i18n/zh_CN.po

addons/delivery/i18n/ro.po

addons/digest/i18n/es.po

addons/event/i18n/zh_CN.po

addons/fleet/i18n/ro.po