Olá,
Gostaria de informá-los que caso desenvolvam projetos JSF v2.2, lembrem-se dos novos namespaces (https://jsflive.wordpress.com/2013/05/16/jsf22-namespaces/):
Old namespace JSF 2.2 namespace
http://java.sun.com/jsf/core http://xmlns.jcp.org/jsf/core
http://java.sun.com/jsf/html http://xmlns.jcp.org/jsf/html
http://java.sun.com/jsf/facelets http://xmlns.jcp.org/jsf/facelets
http://java.sun.com/jsf/composite http://xmlns.jcp.org/jsf/composite
http://java.sun.com/jsp/jstl/core http://xmlns.jcp.org/jsp/jstl/core
http://java.sun.com/jsp/jstl/functions http://xmlns.jcp.org/jsp/jstl/functionsAlém desses, o namespace completo foi alterado para: http://xmlns.jcp.org/xml/ns/javaee
