Added POST, PUT and DELETE methods for plan API
Added POST, PUT and DELETE methods for plan API

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