Fix copyright year

Christopher Jones · Christopher Jones · commit f1290e1e53fe · 2016-05-17T09:31:14.000+10:00
diff --git a/lib/oracledb.js b/lib/oracledb.js
@@ -1,4 +1,4 @@
-/* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. */
+/* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. */
 
 /******************************************************************************
  *

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-/* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. */`
	`1`	`+/* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. */`
`2`	`2`
`3`	`3`	`/******************************************************************************`
`4`	`4`	`*`