Fix bug where we did not use disabled meters
Fix bug where we did not use disabled meters

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