License.txt

                                 Apache License
                           Version 2.0, January 2004
                        http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

1. Definitions.

   "License" shall mean the terms and conditions for use, reproduction,
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   "Work" shall mean the work of authorship, whether in Source or
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   (an example is provided in the Appendix below).

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   form, that is based on (or derived from) the Work and for which the
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   "Contributor" shall mean Licensor and any individual or Legal Entity
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2. Grant of Copyright License.

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3. Grant of Patent License.

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   royalty-free, irrevocable (except as stated in this section) patent
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4. Redistribution.

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