Four new character posters for Focus Features and Carnival Films' release of the first Downton Abbey movie are here to remind us just how poor we are. But rich, perhaps, in that we are getting this movie at all. Though the series wrapped things up in a very satisfying way, it's never a problem to return to this lush, gorgeous world, especially when rapidly changing times could signal a change in how the household staff are managed -- if household staff are to remain at all. All of our favorites who live and breathe are set to return for the …