Update LICENSE to Apache License

I moved away from GPL some years ago, and just playing catchup here.
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GNU GENERAL PUBLIC LICENSE Apache License
Version 2, June 1991 Version 2.0, January 2004
http://www.apache.org/licenses/
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How to Apply These Terms to Your New Programs APPENDIX: How to apply the Apache License to your work.
If you develop a new program, and you want it to be of the greatest To apply the Apache License to your work, attach the following
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free software which everyone can redistribute and change under these terms. replaced with your own identifying information. (Don't include
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{description} Licensed under the Apache License, Version 2.0 (the "License");
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Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
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