Update copyright year

LICENCE.TXT

@@ -1,4 +1,4 @@
-Copyright (c) 2013-2019, Orsiris de Jong. ozy@netpower.fr
+Copyright (c) 2013-2020, Orsiris de Jong. ozy@netpower.fr
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

target-helper.conf.example

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 ###### osync - Rsync based two way sync engine with fault tolerance
-###### (C) 2013-2019 by Orsiris de Jong (www.netpower.fr)
+###### (C) 2013-2020 by Orsiris de Jong (www.netpower.fr)
 
 [GENERAL]
 CONFIG_FILE_REVISION=1.3.0

upgrade-v1.0x-v1.3x.sh

@@ -2,7 +2,7 @@
 
 PROGRAM="osync instance upgrade script"
 SUBPROGRAM="osync"
-AUTHOR="(C) 2016-2019 by Orsiris de Jong"
+AUTHOR="(C) 2016-2020 by Orsiris de Jong"
 CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
 OLD_PROGRAM_VERSION="v1.0x-v1.2x"
 NEW_PROGRAM_VERSION="v1.3x"