Updated readme

Author: keilw

exchange/exchange-rate-frb/pom.xml

@@ -2,7 +2,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 <!--
- Copyright (c) 2012, 2018, Werner Keil, Anatole Tresch and others.
+ Copyright (c) 2012, 2020, Werner Keil, Anatole Tresch and others.
 
  Licensed under the Apache License, Version 2.0 (the "License"); you may not
  use this file except in compliance with the License. You may obtain a copy of