update changelog for v1.1.1
update changelog for v1.1.1

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