More translations into Spanish

Thanks to the Spanish Translation Team, Spanish Translation US, the following articles have been translated into Spanish.

Codificación de caracteres para principiantes (Character encodings for beginners)
http://www.w3.org/International/questions/qa-what-is-encoding.es.php

Configuración de codificaciones en aplicaciones de autoría web (Setting encoding in web authoring applications)
http://www.w3.org/International/questions/qa-setting-encoding-in-applications.es.php