LICENSE in passenger-5.1.2 vs LICENSE in passenger-5.1.3

@@ -1,5 +1,5 @@
-Copyright (c) 2010-2015 Phusion Holding B.V.
+Copyright (c) 2010-2017 Phusion Holding B.V.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell