Update copyright header for auto-generated files

Author: Philippus

fnGen/WrapFnGen.scala

@@ -14,7 +14,7 @@ object WrapFnGen {
   val copyright =
     s"""
     |/*
-    | * Copyright (C) 2015-2016, Lightbend Inc. <https://www.lightbend.com>
+    | * Copyright EPFL and Lightbend, Inc.
     | * This file auto-generated by WrapFnGen.scala.  Do not modify directly.
     | */
     |""".stripMargin