replace zxq.co/ripple/hanayo

vendor/github.com/DataDog/datadog-go/statsd/README.md

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+## Overview
+
+Package `statsd` provides a Go [dogstatsd](http://docs.datadoghq.com/guides/dogstatsd/) client.  Dogstatsd extends Statsd, adding tags
+and histograms.
+
+## Get the code
+
+    $ go get github.com/DataDog/datadog-go/statsd
+
+## Usage
+
+```go
+// Create the client
+c, err := statsd.New("127.0.0.1:8125")
+if err != nil {
+    log.Fatal(err)
+}
+// Prefix every metric with the app name
+c.Namespace = "flubber."
+// Send the EC2 availability zone as a tag with every metric
+c.Tags = append(c.Tags, "us-east-1a")
+
+// Do some metrics!
+err = c.Gauge("request.queue_depth", 12, nil, 1)
+err = c.Timing("request.duration", duration, nil, 1) // Uses a time.Duration!
+err = c.TimeInMilliseconds("request", 12, nil, 1)
+err = c.Incr("request.count_total", nil, 1)
+err = c.Decr("request.count_total", nil, 1)
+err = c.Count("request.count_total", 2, nil, 1)
+```
+
+## Buffering Client
+
+DogStatsD accepts packets with multiple statsd payloads in them.  Using the BufferingClient via `NewBufferingClient` will buffer up commands and send them when the buffer is reached or after 100msec.
+
+## Development
+
+Run the tests with:
+
+    $ go test
+
+## Documentation
+
+Please see: http://godoc.org/github.com/DataDog/datadog-go/statsd
+
+## License
+
+go-dogstatsd is released under the [MIT license](http://www.opensource.org/licenses/mit-license.php).
+
+## Credits
+
+Original code by [ooyala](https://github.com/ooyala/go-dogstatsd).