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

   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

   Definitions:

       "License" shall mean the terms and conditions for use, reproduction,
       and distribution as defined by Sections 1 through 9 of this document.

       "Licensee" shall mean any person or entity that distributes the Software.

       "Source" form shall mean the preferred form for making modifications to
       the Software, including but not limited to source code, documentation
       source, and configuration files.

       "Object" form shall mean any form resulting from interpretation or
       other transformation or adaptation of the Source form, including any
       binary, object, or executable forms.

   License Grant:

     Subject to the terms and conditions of this License, each Contributor
     hereby grants to You a perpetual, worldwide, non-exclusive, no-charge,
     royalty-free, irrevocable (except as stated in this section) patent license
     to make, have made, use, offer to sell, sell, import, and otherwise transfer
     the Work, where such license applies to the patent claims infringed by the
     Work.

   You may distribute the Software only under the terms of this License.

   You must retain the entire text of this License in all copies of the Software
   and its supporting documentation.

   If You distribute, directly or indirectly, copies of the Software or adaptions
   of the Software, in whole or in part, You must cause the recipient to be offered
   a copy of this License.

   You may not impose further restrictions on the exercise of the rights granted
   or altered by this License.

   The Software is provided "as is", without warranty of any kind, express or
   implied, including but not limited to the warranties of merchantability,
   fitness for a particular purpose, and non-infringement. The Software is
   distributed on an "as is" basis, and the authors, contributors, and licensees
   make no representations or warranties, express or implied, by statute,
   by estoppel, or otherwise.