Change gae to apache 2 license.

impl/memory/taskqueue.go

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// Copyright 2015 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
 
 package memory
 
 import (
         "regexp"
         "sync/atomic"
 
         "golang.org/x/net/context"
 
         tq "github.com/luci/gae/service/taskqueue"
@@ skipping 238 matching lines @@
 func dupQueue(q tq.QueueData) tq.QueueData {
         r := make(tq.QueueData, len(q))
         for k, q := range q {
                 r[k] = make(map[string]*tq.Task, len(q))
                 for tn, t := range q {
                         r[k][tn] = t.Duplicate()
                 }
         }
         return r
 }