hotfix for old links in influxdb key concepts doc, resolves #1732
hotfix for old links in influxdb key concepts doc, resolves #1732

influxdata/docs.influxdata.com,influxdata/docs.influxdata.com,influxdb/docs.influxdata.com,influxdb/docs.influxdata.com,influxdb/docs.influxdata.com,influxdata/docs.influxdata.com,influxdata/docs.influxdata.com,influxdata/docs.influxdata.com