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Sources in the yaml-cpp/ directory are licensed under the MIT liense, and
copyright Jesse Beder:

    Copyright (c) 2008-2015 Jesse Beder.

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    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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    THE SOFTWARE.

Sources in the yaml-cpp/test/gtest-1.8.0 directory are licensed under the MIT
license, and copyright Google Inc.:

    Copyright 2008, Google Inc.
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        * Redistributions in binary form must reproduce the above
    copyright notice, this list of conditions and the following disclaimer
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        * neither the name of google inc. nor the names of its
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