FEAT: add a copyright update script

Utilities/Maintenance/update_copyright_date.sh

+#!/bin/bash
+
+tmp_file_name="_tmp_file_list.txt"
+# get all files
+find . -type f > $tmp_file_name
+current_year=$(date -u | egrep -o "[0-9]{4}")
+
+# for all files, update the year to current
+while IFS= read -r f_path; do
+  # except for this current script
+  if [ "$f_path" != $0 ]; then
+    sed -i "s/Copyright (C) 2005-20../Copyright (C) 2005-$current_year/g" "$line"
+  fi
+done < "$tmp_file_name"
+
+rm $tmp_file_name