FaceletFactory for producing Facelets relative to the context of the
underlying implementation.
author: Jacob Hookom version: $Id: FaceletFactory.java,v 1.3 2005/11/30 23:36:39 jhook Exp $
Return a Facelet instance as specified by the file at the passed URI.
Parameters: uri - throws: IOException - throws: FaceletException - throws: FacesException - throws: ELException -