display series with 0 value in the legend
display series with 0 value in the legend

influxdb/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,li-ang/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdb/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,li-ang/influxdb,nooproblem/influxdb,influxdb/influxdb