Update URLs and copyright year

autogen.sh

@@ -12,7 +12,7 @@ export XDT_AUTOGEN_REQUIRED_VERSION="4.7.0"
 autogen.sh: You don't seem to have the Xfce development tools installed on
             your system, which are required to build this software.
             Please install the xfce4-dev-tools package first, available from
-            http://xfce.org/~benny/projects/xfce4-dev-tools/.
+            https://xfce.org/.
 EOF
   exit 1
 }

configure.ac.in

@@ -16,8 +16,8 @@ dnl Initialize autoconf
 AC_COPYRIGHT([Copyright (c) 2006 Thomas Schreck <shrek@xfce.org>
               Copyright (c) 2010-2011 Florian Rivoal <frivoal@xfce.org>
               Copyright (c) 2013-2015 Harald Judt <h.judt@gmx.at>
-              Copyright (c) 2016-2018 Andre Miranda <andreldm@xfce.org>])
-AC_INIT([xfce4-cpufreq-plugin], [cpufreq_version()], [https://bugzilla.xfce.org], [xfce4-cpufreq-plugin])
+              Copyright (c) 2016-2020 Andre Miranda <andreldm@xfce.org>])
+AC_INIT([xfce4-cpufreq-plugin], [cpufreq_version()], [https://gitlab.xfce.org/panel-plugins/xfce4-cpufreq-plugin], [xfce4-cpufreq-plugin])
 AC_PREREQ([2.60])
 
 dnl Initialize automake

panel-plugin/xfce4-cpufreq-plugin.c

@@ -762,7 +762,7 @@ cpufreq_show_about(XfcePanelPlugin *plugin,
      "program-name", PACKAGE_NAME,
      "comments", _("Show CPU frequencies and governor"),
      "website", PLUGIN_WEBSITE,
-     "copyright", _("Copyright (c) 2003-2018\n"),
+     "copyright", _("Copyright (c) 2003-2020\n"),
      "authors", auth,
      NULL);