[1371] copyright and description for the diff generator script, EXTRA_DIST update.

src/bin/xfrout/tests/Makefile.am

@@ -3,8 +3,8 @@ PYTESTS = xfrout_test.py
 noinst_SCRIPTS = $(PYTESTS)
 
 EXTRA_DIST = testdata/test.sqlite3
-# This one is actually not necessary, but added for reference
-EXTRA_DIST += testdata/example.com
+# These are actually not necessary, but added for reference
+EXTRA_DIST += testdata/example.com testdata/creatediff.py
 
 # If necessary (rare cases), explicitly specify paths to dynamic libraries
 # required by loadable python modules.

src/bin/xfrout/tests/testdata/creatediff.py

@@ -1,5 +1,28 @@
 #!/usr/bin/env python3.1
 
+# Copyright (C) 2011  Internet Systems Consortium.
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SYSTEMS CONSORTIUM
+# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+# INTERNET SYSTEMS CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''This script was used to create zone differences for IXFR tests.
+
+The result was stored in the test SQLite3 database file, so this script
+itself isn't necessary for testing.  It's provided here for reference
+purposes.
+
+'''
+
 import isc.datasrc
 import isc.log
 from isc.dns import *