Change gae to apache 2 license.

service/taskqueue/task.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 taskqueue
 
 import (
         "net/http"
         "net/url"
         "time"
 )
 
 // RetryOptions let you control whether to retry a task and the backoff intervals between tries.
@@ skipping 96 matching lines @@
                 copy(ret.Payload, t.Payload)
         }
 
         if t.RetryOptions != nil {
                 ret.RetryOptions = &RetryOptions{}
                 *ret.RetryOptions = *t.RetryOptions
         }
 
         return &ret
 }