Define resources in Makefile

Due to the sunset of RT for CPAN it is beneficial to define
an issue tracker for libraries.

Change-Id: I1ab899a984121b85213d2a45a98a7a94f5122925
diff --git a/script/korapxml2krill b/script/korapxml2krill
index 5e020df..e3eb0cb 100644
--- a/script/korapxml2krill
+++ b/script/korapxml2krill
@@ -153,7 +153,7 @@
 # - Added support for Redewiedergabe-Korpus morphology
 # ----------------------------------------------------------
 
-our $LAST_CHANGE = '2020/10/21';
+our $LAST_CHANGE = '2021/02/08';
 our $LOCAL = $FindBin::Bin;
 our $KORAL_VERSION = 0.03;
 our $VERSION_MSG = <<"VERSION";
@@ -1549,19 +1549,19 @@
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright (C) 2015-2020, L<IDS Mannheim|https://www.ids-mannheim.de/>
+Copyright (C) 2015-2021, L<IDS Mannheim|https://www.ids-mannheim.de/>
 
-Author: L<Nils Diewald|https://nils-diewald.de/>
+Author: L<Nils Diewald|https://www.nils-diewald.de/>
 
 Contributor: Eliza Margaretha
 
-L<KorAP::XML::Krill> is developed as part of the L<KorAP|http://korap.ids-mannheim.de/>
+L<KorAP::XML::Krill> is developed as part of the L<KorAP|https://korap.ids-mannheim.de/>
 Corpus Analysis Platform at the
-L<Leibniz Institute for the German Language (IDS)|http://ids-mannheim.de/>,
+L<Leibniz Institute for the German Language (IDS)|https://www.ids-mannheim.de/>,
 member of the
 L<Leibniz-Gemeinschaft|http://www.leibniz-gemeinschaft.de/>.
 
 This program is free software published under the
-L<BSD-2 License|https://raw.githubusercontent.com/KorAP/KorAP-XML-Krill/master/LICENSE>.
+L<BSD-2 License|https://opensource.org/licenses/BSD-2-Clause>.
 
 =cut