Spelling fix of Avi's name in LICENSE file.

LICENSE

@@ -1,7 +1,7 @@
 Copyright (C) 2011 by Nicolas Petton <petton.nicolas@gmail.com>
 Copyright (C) 2011 Amber contributors https://github.com/NicolasPetton/amber/contributors
 
-Parts of Amber take ideas from Clamato (http://clamato.net), written by Avi Byrant.
+Parts of Amber take ideas from Clamato (http://clamato.net), written by Avi Bryant.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal