Add SPDX-License-Identifier headers

Add SPDX-License-Identifier headers to all substantial source files.
Collapse copyright years.  Add some Emacs configuration for files
where the copyright notice is at the end.  Add a test that every
file has SPDX-License-Identifier.

4 files changed, 4 insertions, 4 deletions

diff --git a/tests/server/admin-t b/tests/server/admin-t
index 8fde012..4d6670b 100755
--- a/tests/server/admin-t
+++ b/tests/server/admin-t
@@ -7,7 +7,7 @@
 # Copyright 2008-2011, 2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
-# See LICENSE for licensing terms.
+# SPDX-License-Identifier: MIT
 
 use strict;
 use Test::More tests => 42;
diff --git a/tests/server/backend-t b/tests/server/backend-t
index e8ea1ce..de59458 100755
--- a/tests/server/backend-t
+++ b/tests/server/backend-t
@@ -7,7 +7,7 @@
 # Copyright 2006-2014
 #     The Board of Trustees of the Leland Stanford Junior University
 #
-# See LICENSE for licensing terms.
+# SPDX-License-Identifier: MIT
 
 use strict;
 use Test::More tests => 1311;
diff --git a/tests/server/keytab-t b/tests/server/keytab-t
index 00c6e92..5cf6788 100755
--- a/tests/server/keytab-t
+++ b/tests/server/keytab-t
@@ -7,7 +7,7 @@
 # Copyright 2006-2007, 2010
 #     The Board of Trustees of the Leland Stanford Junior University
 #
-# See LICENSE for licensing terms.
+# SPDX-License-Identifier: MIT
 
 use strict;
 use vars qw($CONFIG $KADMIN $SYSLOG $TMP);
diff --git a/tests/server/report-t b/tests/server/report-t
index 2e0cef7..20382f0 100755
--- a/tests/server/report-t
+++ b/tests/server/report-t
@@ -7,7 +7,7 @@
 # Copyright 2008-2010
 #     The Board of Trustees of the Leland Stanford Junior University
 #
-# See LICENSE for licensing terms.
+# SPDX-License-Identifier: MIT
 
 use strict;
 use Test::More tests => 48;