Logging and alerts (7.x-2.1) - en to unknown language translation catalogue (4 entries)

en: Message type
target: Tipo de mensagem

en: Logging and alerts
target: Registros e alertas

en: [@site_name] @severity_desc: Alert from your web site
target: [@site_name] @severity_desc: Alerta do seu site

en: Message pattern
target: Padrão da mensagem
