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/registry_test.go

@@ -0,0 +1,73 @@
+package metrics
+
+import "testing"
+
+func BenchmarkRegistry(b *testing.B) {
+	r := NewRegistry()
+	r.Register("foo", NewCounter())
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		r.Each(func(string, interface{}) {})
+	}
+}
+
+func TestRegistry(t *testing.T) {
+	r := NewRegistry()
+	r.Register("foo", NewCounter())
+	i := 0
+	r.Each(func(name string, iface interface{}) {
+		i++
+		if "foo" != name {
+			t.Fatal(name)
+		}
+		if _, ok := iface.(Counter); !ok {
+			t.Fatal(iface)
+		}
+	})
+	if 1 != i {
+		t.Fatal(i)
+	}
+	r.Unregister("foo")
+	i = 0
+	r.Each(func(string, interface{}) { i++ })
+	if 0 != i {
+		t.Fatal(i)
+	}
+}
+
+func TestRegistryGet(t *testing.T) {
+	r := NewRegistry()
+	r.Register("foo", NewCounter())
+	if count := r.Get("foo").(Counter).Count(); 0 != count {
+		t.Fatal(count)
+	}
+	r.Get("foo").(Counter).Inc(1)
+	if count := r.Get("foo").(Counter).Count(); 1 != count {
+		t.Fatal(count)
+	}
+}
+
+func TestRegistryGetOrRegister(t *testing.T) {
+	r := NewRegistry()
+
+	// First metric wins with GetOrRegister
+	_ = r.GetOrRegister("foo", NewCounter())
+	m := r.GetOrRegister("foo", NewGauge())
+	if _, ok := m.(Counter); !ok {
+		t.Fatal(m)
+	}
+
+	i := 0
+	r.Each(func(name string, iface interface{}) {
+		i++
+		if name != "foo" {
+			t.Fatal(name)
+		}
+		if _, ok := iface.(Counter); !ok {
+			t.Fatal(iface)
+		}
+	})
+	if i != 1 {
+		t.Fatal(i)
+	}
+}