Add description for Trip object
Add description for Trip object

Tisseo/navitia,CanalTP/navitia,Tisseo/navitia,antoine-de/navitia,patochectp/navitia,kinnou02/navitia,Tisseo/navitia,xlqian/navitia,Tisseo/navitia,pbougue/navitia,ballouche/navitia,xlqian/navitia,xlqian/navitia,CanalTP/navitia,ballouche/navitia,CanalTP/navitia,CanalTP/navitia,xlqian/navitia,pbougue/navitia,kinnou02/navitia,patochectp/navitia,kadhikari/navitia,CanalTP/navitia,antoine-de/navitia,antoine-de/navitia,pbougue/navitia,xlqian/navitia,kadhikari/navitia,kadhikari/navitia,patochectp/navitia,kinnou02/navitia,antoine-de/navitia,ballouche/navitia,patochectp/navitia,pbougue/navitia,kinnou02/navitia,kadhikari/navitia,ballouche/navitia,Tisseo/navitia