resolved merge confilc in main.go
resolved merge confilc in main.go

keegancsmith/prometheus,Conorbro/prometheus,amorken/prometheus,Conorbro/prometheus,brancz/prometheus,Stackdriver/stackdriver-prometheus,alileza/prometheus,brancz/prometheus,Gouthamve/prometheus,Conorbro/prometheus,GoogleCloudPlatform/prometheus,alileza/prometheus,prometheus/prometheus,GoogleCloudPlatform/prometheus,Stackdriver/stackdriver-prometheus,GoogleCloudPlatform/prometheus,amorken/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,amorken/prometheus,AlekSi/prometheus,AlekSi/prometheus,brancz/prometheus,alileza/prometheus,Gouthamve/prometheus,prometheus/prometheus,AlekSi/prometheus,Stackdriver/stackdriver-prometheus,keegancsmith/prometheus,keegancsmith/prometheus,prometheus/prometheus,kangwoo/prometheus,Gouthamve/prometheus,Gouthamve/prometheus,amorken/prometheus,kangwoo/prometheus,alileza/prometheus,brancz/prometheus,Conorbro/prometheus,GoogleCloudPlatform/prometheus,keegancsmith/prometheus,Stackdriver/stackdriver-prometheus,prometheus/prometheus,kangwoo/prometheus,prometheus/prometheus,kangwoo/prometheus,AlekSi/prometheus,alileza/prometheus