chore(*): make everything use goven

for i in github.com/BurntSushi/toml github.com/coreos/go-etcd/etcd github.com/coreos/go-log/log github.com/gorilla/context github.com/rcrowley/go-metrics bitbucket.org/kardianos/osext github.com/coreos/go-systemd/journal github.com/coreos/raft code.google.com/p/goprotobuf/proto ; do goven  -copy -rewrite $i; done

third_party/github.com/rcrowley/go-metrics/cmd/metrics-example/metrics-example.go

@@ -0,0 +1,137 @@
+package main
+
+import (
+	"errors"
+	"github.com/coreos/etcd/third_party/github.com/rcrowley/go-metrics"
+	// "github.com/rcrowley/go-metrics/stathat"
+	"log"
+	"math/rand"
+	"os"
+	// "syslog"
+	"time"
+)
+
+const fanout = 10
+
+func main() {
+
+	r := metrics.NewRegistry()
+
+	c := metrics.NewCounter()
+	r.Register("foo", c)
+	for i := 0; i < fanout; i++ {
+		go func() {
+			for {
+				c.Dec(19)
+				time.Sleep(300e6)
+			}
+		}()
+		go func() {
+			for {
+				c.Inc(47)
+				time.Sleep(400e6)
+			}
+		}()
+	}
+
+	g := metrics.NewGauge()
+	r.Register("bar", g)
+	for i := 0; i < fanout; i++ {
+		go func() {
+			for {
+				g.Update(19)
+				time.Sleep(300e6)
+			}
+		}()
+		go func() {
+			for {
+				g.Update(47)
+				time.Sleep(400e6)
+			}
+		}()
+	}
+
+	hc := metrics.NewHealthcheck(func(h metrics.Healthcheck) {
+		if 0 < rand.Intn(2) {
+			h.Healthy()
+		} else {
+			h.Unhealthy(errors.New("baz"))
+		}
+	})
+	r.Register("baz", hc)
+
+	s := metrics.NewExpDecaySample(1028, 0.015)
+	//s := metrics.NewUniformSample(1028)
+	h := metrics.NewHistogram(s)
+	r.Register("bang", h)
+	for i := 0; i < fanout; i++ {
+		go func() {
+			for {
+				h.Update(19)
+				time.Sleep(300e6)
+			}
+		}()
+		go func() {
+			for {
+				h.Update(47)
+				time.Sleep(400e6)
+			}
+		}()
+	}
+
+	m := metrics.NewMeter()
+	r.Register("quux", m)
+	for i := 0; i < fanout; i++ {
+		go func() {
+			for {
+				m.Mark(19)
+				time.Sleep(300e6)
+			}
+		}()
+		go func() {
+			for {
+				m.Mark(47)
+				time.Sleep(400e6)
+			}
+		}()
+	}
+
+	t := metrics.NewTimer()
+	r.Register("hooah", t)
+	for i := 0; i < fanout; i++ {
+		go func() {
+			for {
+				t.Time(func() { time.Sleep(300e6) })
+			}
+		}()
+		go func() {
+			for {
+				t.Time(func() { time.Sleep(400e6) })
+			}
+		}()
+	}
+
+	metrics.RegisterDebugGCStats(r)
+	go metrics.CaptureDebugGCStats(r, 5e9)
+
+	metrics.RegisterRuntimeMemStats(r)
+	go metrics.CaptureRuntimeMemStats(r, 5e9)
+
+	metrics.Log(r, 60e9, log.New(os.Stderr, "metrics: ", log.Lmicroseconds))
+
+	/*
+		w, err := syslog.Dial("unixgram", "/dev/log", syslog.LOG_INFO, "metrics")
+		if nil != err { log.Fatalln(err) }
+		metrics.Syslog(r, 60e9, w)
+	*/
+
+	/*
+		addr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:2003")
+		metrics.Graphite(r, 10e9, "metrics", addr)
+	*/
+
+	/*
+		stathat.Stathat(r, 10e9, "example@example.com")
+	*/
+
+}