Update and fix copyright notices in the scripts directory.

scripts/*:
    As above.

scripts/Mercury.config.bootstrap.in

@@ -5,6 +5,7 @@
 # @configure_input@
 #---------------------------------------------------------------------------#
 # Copyright (C) 2003-2004, 2006-2007, 2010, 2012 The University of Melbourne.
+# Copyright (C) 2013, 2015, 2016, 2018 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/Mercury.config.in

@@ -5,6 +5,7 @@
 # @configure_input@
 #---------------------------------------------------------------------------#
 # Copyright (C) 2003-2007, 2010-2012 The University of Melbourne.
+# Copyright (C) 2013-2016, 2018-2019 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/Mmake.vars.in

@@ -1,5 +1,6 @@
 #-----------------------------------------------------------------------------#
 # Copyright (C) 1996-2008, 2010-2011 The University of Melbourne.
+# Copyright (C) 2013, 2015, 2017, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #-----------------------------------------------------------------------------#

scripts/canonical_grade.sh-subr

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 2000-2007, 2010 The University of Melbourne.
+# Copyright (C) 2013-2017, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/final_grade_options.sh-subr

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 1998-2002, 2004-2007, 2009-2010 The University of Melbourne.
+# Copyright (C) 2013, 2015-2016, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/init_grade_options.sh-subr

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 1997-2007, 2010 The University of Melbourne.
+# Copyright (C) 2013-2014, 2016-2017, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mdb.bat.in

@@ -1,7 +1,7 @@
 @echo off
 rem @configure_input@
 rem ---------------------------------------------------------------------------
-rem Copyright (C), 2011 The University of Melbourne.
+rem Copyright (C) 2011 The University of Melbourne.
 rem This file may only be copied under the terms of the GNU General
 rem Public License - see the file COPYING in the Mercury distribution.
 rem ---------------------------------------------------------------------------

scripts/mdb.in

@@ -1,6 +1,6 @@
 #!/bin/sh
 #-----------------------------------------------------------------------------#
-# Copyright (C) 1998,2002, 2005 The University of Melbourne.
+# Copyright (C) 1998, 2002, 2005 The University of Melbourne.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #-----------------------------------------------------------------------------#

scripts/mdprof.in

@@ -1,6 +1,7 @@
 #! /bin/sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 2001, 2005 The University of Melbourne.
+# Copyright (C) 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mercury.bat.in

@@ -1,7 +1,7 @@
 @echo off
 rem @configure_input@
 rem ---------------------------------------------------------------------------
-rem Copyright (C) 1994-1998, 2000-2001, 2003, 2005, 2011 The University of Melbourne.
+rem Copyright (C) 2001, 2003, 2005, 2011 The University of Melbourne.
 rem This file may only be copied under the terms of the GNU General
 rem Public License - see the file COPYING in the Mercury distribution.
 rem ---------------------------------------------------------------------------

scripts/mercury.in

@@ -2,6 +2,7 @@
 # @configure_input@
 #---------------------------------------------------------------------------#
 # Copyright (C) 1994-1998, 2000-2005 The University of Melbourne.
+# Copyright (C) 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mgnuc.in

@@ -4,6 +4,7 @@
 # @configure_input@
 #---------------------------------------------------------------------------#
 # Copyright (C) 1995-2007, 2010-2012 The University of Melbourne.
+# Copyright (C) 2013-2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mmake.in

@@ -3,6 +3,7 @@
 # vim: ts=4 sw=4 et ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 1995-1999,2001-2005 The University of Melbourne.
+# Copyright (C) 2013, 2016, 2019, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mmc.in

@@ -2,6 +2,7 @@
 # @configure_input@
 #---------------------------------------------------------------------------#
 # Copyright (C) 1994-1998, 2000-2005 The University of Melbourne.
+# Copyright (C) 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mtags.in

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 et ft=perl
 #---------------------------------------------------------------------------#
 # Copyright (C) 1994-2001, 2003, 2005-2007, 2009 The University of Melbourne.
+# Copyright (C) 2015, 2017, 2019 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/mtc

@@ -3,6 +3,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 2005-2006 The University of Melbourne.
+# Copyright (C) 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/parse_grade_options.sh-subr

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 1997-2007, 2010 The University of Melbourne.
+# Copyright (C) 2013-2014, 2016-2017, 2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/parse_ml_options.sh-subr.in

@@ -2,6 +2,7 @@
 # vim: ts=4 sw=4 expandtab ft=sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 2001-2007, 2011 The University of Melbourne.
+# Copyright (C) 2019-2020 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#

scripts/prepare_install_dir.in

@@ -1,6 +1,7 @@
 #!/bin/sh
 #---------------------------------------------------------------------------#
 # Copyright (C) 2008, 2010, 2012 The University of Melbourne.
+# Copyright (C) 2014-2016 The Mercury team.
 # This file may only be copied under the terms of the GNU General
 # Public License - see the file COPYING in the Mercury distribution.
 #---------------------------------------------------------------------------#