Update etcd godep to fix golang 1.5.1 data race

Godeps/_workspace/src/github.com/coreos/etcd/client/client.go

@@ -378,9 +378,12 @@ func (c *simpleHTTPClient) Do(ctx context.Context, act httpAction) (*http.Respon
 		return nil, nil, err
 	}
 
-	hctx, hcancel := context.WithCancel(ctx)
+	var hctx context.Context
+	var hcancel context.CancelFunc
 	if c.headerTimeout > 0 {
 		hctx, hcancel = context.WithTimeout(ctx, c.headerTimeout)
+	} else {
+		hctx, hcancel = context.WithCancel(ctx)
 	}
 	defer hcancel()
 

Godeps/_workspace/src/github.com/coreos/etcd/store/watcher_hub.go

@@ -78,8 +78,9 @@ func (wh *watcherHub) watch(key string, recursive, stream bool, index, storeInde
 	defer wh.mutex.Unlock()
 	// If the event exists in the known history, append the EtcdIndex and return immediately
 	if event != nil {
-		event.EtcdIndex = storeIndex
-		w.eventChan <- event
+		ne := event.Clone()
+		ne.EtcdIndex = storeIndex
+		w.eventChan <- ne
 		return w, nil
 	}