Update LICENSE

Add Iowa State University Research Foundation to the LICENSE file.

Signed-off-by: Nathan Weeks <weeks@iastate.edu>
(cherry picked from commit 9421db9)

Author: nathanweeks

LICENSE

@@ -62,6 +62,8 @@ Copyright (c) 2002      University of Chicago
 Copyright (c) 2001      Argonne National Laboratory
 Copyright (c) 2020-2021 Cornelis Networks, Inc. All rights reserved.
 Copyright (c) 2021      Nanook Consulting
+Copyright (c) 2017-2019 Iowa State University Research Foundation, Inc.
+                        All rights reserved.
 
 $COPYRIGHT$