vector<dcp::Rating> ratings;
ratings.push_back (dcp::Rating("http://www.mpaa.org/2003-ratings", "PG-13"));
ratings.push_back (dcp::Rating("http://www.movielabs.com/md/ratings/GB/BBFC/1/12A%3C/Agency", "12A"));
cpl.set_ratings (ratings);
vector<dcp::Rating> ratings;
ratings.push_back (dcp::Rating("http://www.mpaa.org/2003-ratings", "PG-13"));
ratings.push_back (dcp::Rating("http://www.movielabs.com/md/ratings/GB/BBFC/1/12A%3C/Agency", "12A"));
cpl.set_ratings (ratings);