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Relicense to MIT 

Explicitly agreed by everyone who has relevant contributions in here,
namely Aleix, Kevin, Vitaly's employer and myself.
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COPYING.LIB
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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
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add_license.sh
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......@@ -10,18 +10,24 @@ find "$@" -name '*.h' -o -name '*.cpp' -o -name '*.qml' -o -name '*.c' -o -name
/*
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