change links for sandbox, add example for line explore
change links for sandbox, add example for line explore

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