Imports
- github.com/prometheus/client_golang/prometheus
- gopkg.in/alecthomas/kingpin.v2
- github.com/justwatchcom/elasticsearch_exporter/pkg/clusterinfo
- github.com/justwatchcom/elasticsearch_exporter/collector
- github.com/go-kit/kit/log
- github.com/go-kit/kit/log/level
- github.com/prometheus/common/version