Update Copyright for 2007.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@491647 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

NOTICE.txt

@@ -1,5 +1,5 @@
 Apache Jakarta Commons IO
-Copyright 2001-2006 The Apache Software Foundation
+Copyright 2001-2007 The Apache Software Foundation
 
 This product includes software developed by
 The Apache Software Foundation (http://www.apache.org/).