Updated billing_plans API for end_point_id argument
Updated billing_plans API for end_point_id argument

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