Update godeps for etcd 3.0.4

vendor/github.com/coreos/etcd/alarm/alarms.go

@@ -1,4 +1,4 @@
-// Copyright 2016 CoreOS, Inc.
+// Copyright 2016 The etcd Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -19,8 +19,8 @@ import (
 	"sync"
 
 	pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
+	"github.com/coreos/etcd/mvcc/backend"
 	"github.com/coreos/etcd/pkg/types"
-	"github.com/coreos/etcd/storage/backend"
 	"github.com/coreos/pkg/capnslog"
 )