update changelog for v1.0.2 release
update changelog for v1.0.2 release

titilambert/kapacitor,influxdata/kapacitor,sputnik13/kapacitor,adityacs/kapacitor,adityacs/kapacitor,sputnik13/kapacitor,adityacs/kapacitor,influxdata/kapacitor,influxdata/kapacitor,influxdb/kapacitor,influxdb/kapacitor,sputnik13/kapacitor,influxdb/kapacitor,titilambert/kapacitor,titilambert/kapacitor