1Copyright (c) Microsoft Open Technologies, Inc.  All rights reserved.
2Microsoft Open Technologies would like to thank its contributors, a list
3of whom are at http://rx.codeplex.com/wikipage?title=Contributors.
4
5Licensed under the Apache License, Version 2.0 (the "License"); you
6may not use this file except in compliance with the License. You may
7obtain a copy of the License at
8
9http://www.apache.org/licenses/LICENSE-2.0
10
11Unless required by applicable law or agreed to in writing, software
12distributed under the License is distributed on an "AS IS" BASIS,
13WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
14implied. See the License for the specific language governing permissions
15and limitations under the License.