TIF: Add content rating system for Spain

References:
 - http://codigodeautorregulacion.rtve.es/senalizacion-de-los-programas/advertencias-opticas/
 - http://en.wikipedia.org/wiki/RTVE

Change-Id: Icdde8a7f8cfb07cc4f768f95ba764ae6a519e347
3 files changed