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,
   and distribution as defined by Sections 1 through 9 of this document.
   "Licensor" shall mean the copyright owner or entity authorized by
   the copyright owner that is granting the License.
   "Legal Entity" shall mean the union of the acting entity and all
   other entities that control, are controlled by, or are under common
   control with that entity.
   "You" (or "Your") shall mean an individual or Legal Entity
   exercising permissions granted by this License.
   "Source" form shall mean the preferred form for making modifications,
   including but not limited to software source code, documentation
   source, and configuration files.
   "Object" form shall mean any form resulting from mechanical
   transformation or translation of a Source form, including but not
   limited to compiled object code, generated documentation, and
   conversions to other media types.
   "Work" shall mean the work of authorship, whether in Source or
   Object form, made available under the License, as indicated by a
   copyright notice that is included in or attached to the work.
   "Derivative Works" shall mean any work, whether in Source or Object
   form, that is based on (or derived from) the Work and for which the
   editorial revisions, annotations, elaborations, or other modifications
   represent, as a whole, an original work of authorship.
   "Contribution" shall mean any work of authorship, including the
   original version of the Work and any modifications or additions to
   that Work or derivative works thereof, that is intentionally
   submitted to Licensor for inclusion in the Work by the copyright owner
   or by an individual or Legal Entity authorized to submit on behalf of
   the copyright owner.
   "Contributor" shall mean Licensor and any individual or Legal Entity
   on behalf of whom a Contribution has been received by Licensor and
   subsequently incorporated within the Work.

2. Grant of Copyright License.
   Subject to the terms and conditions of this License, each Contributor
   hereby grants to You a perpetual, worldwide, non-exclusive,
   royalty-free, irrevocable copyright license to reproduce, prepare
   Derivative Works of, publicly display, publicly perform, sublicense,
   and distribute the Work and such Derivative Works in Source or Object
   form.

3. Grant of Patent License.
   Subject to the terms and conditions of this License, each Contributor
   hereby grants to You a perpetual, worldwide, non-exclusive,
   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 only to those
   patent claims licensable by such Contributor that are necessarily
   infringed by their Contribution(s) alone or by combination of their
   Contribution(s) with the Work to which such Contribution(s) was
   submitted.

4. Redistribution.
   You may reproduce and distribute copies of the Work or Derivative
   Works thereof in any medium, with or without modifications, and in
   Source or Object form, provided that You meet the following
   conditions:

   (a) You must give any other recipients of the Work or Derivative
       Works a copy of this License; and

   (b) You must cause any modified files to carry prominent notices
       stating that You changed the files; and

   (c) You must retain, in the Source form of any Derivative Works that
       You distribute, all copyright, patent, trademark, and attribution
       notices from the Source form of the Work, excluding those notices
       that do not pertain to any part of the Derivative Works; and

   (d) If the Work includes a "NOTICE" text file as part of its
       distribution, then any Derivative Works that You distribute must
       include a readable copy of the attribution notices contained
       within such NOTICE file, unless Your Derivative Works do not
       otherwise include any derivative of the Work.

5. Submission of Contributions.
   Unless You explicitly state otherwise, any Contribution intentionally
   submitted for inclusion in the Work by You to the Licensor shall be
   under the terms and conditions of this License, without any
   additional terms or conditions.

6. Trademarks.
   This License does not grant permission to use the trade names,
   trademarks, service marks, or product names of the Licensor,
   except as required for reasonable and customary use in describing the
   origin of the Work and reproducing the content of the NOTICE file.

7. Disclaimer of Warranty.
   Unless required by applicable law or agreed to in writing, Licensor
   provides the Work (and each Contributor provides its Contributions)
   on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   either express or implied, including, without limitation, any
   warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY,
   or FITNESS FOR A PARTICULAR PURPOSE.

8. Limitation of Liability.
   In no event and under no legal theory, whether in tort (including
   negligence), contract, or otherwise, shall any Contributor be liable
   for any damages arising out of or in connection with the Work
   (including, without limitation, damages for loss of goodwill,
   work stoppage, computer failure or malfunction, or any and all
   other commercial damages or losses), even if such Contributor has
   been advised of the possibility of such damages.

9. Accepting Warranty or Additional Liability.
   While redistributing the Work or Derivative Works thereof, You may
   choose to offer, and charge a fee for, acceptance of support,
   warranty, indemnity, or other liability obligations and/or rights
   consistent with this License. However, in accepting such obligations,
   You may not impose any further restrictions on the exercise of the
   rights granted under this License to any recipient of the Work.
