FIX Some linter errors
FIX Some linter errors

telefonicaid/iotagent-node-lib,telefonicaid/iotagent-node-lib,telefonicaid/iotagent-node-lib,caiothomas/iotagent-node-lib,caiothomas/iotagent-node-lib,caiothomas/iotagent-node-lib