Modify ECO converter so it adds level names. #355
Modify ECO converter so it adds level names. #355

jaduimstra/nilmtk,nilmtk/nilmtk,nilmtk/nilmtk,AlexRobson/nilmtk,mmottahedi/nilmtk,pauldeng/nilmtk,josemao/nilmtk,HarllanAndrye/nilmtk