Updated copyright date

copying.txt

@@ -7,7 +7,7 @@ a) The Happy Bunny License, or b) the MIT License.
 ================================================================================
 The Happy Bunny License (Modified MIT License)
 --------------------------------------------------------------------------------
-Copyright (c) 2005 - 2015 G-Truc Creation
+Copyright (c) 2005 - 2016 G-Truc Creation
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -33,7 +33,7 @@ THE SOFTWARE.
 ================================================================================
 The MIT License
 --------------------------------------------------------------------------------
-Copyright (c) 2005 - 2015 G-Truc Creation
+Copyright (c) 2005 - 2016 G-Truc Creation
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal