Copyright 2013 Pixar

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License
and the following modification to it: Section 6 Trademarks.
deleted and replaced with:

6. Trademarks. This License does not grant permission to use the
trade names, trademarks, service marks, or product names of the
Licensor and its affiliates, except as required for reproducing
the content of the NOTICE file.

You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
either express or implied.  See the License for the specific
language governing permissions and limitations under the
License.