Update CHANGELOG with data corruption notes
Update CHANGELOG with data corruption notes

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