Add full core team to the license

WyriHaximus · WyriHaximus · commit 9be6091857ad · 2020-07-08T15:13:46.000+02:00
diff --git a/LICENSE b/LICENSE
@@ -1,7 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2013 Christian Lück
-Copyright (c) 2012 Igor Wiedler, Chris Boden
+Copyright (c) 2012 Christian Lück, Cees-Jan Kiewiet, Jan Sorgalla, Chris Boden, Igor Wiedler
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
