Coveralls badge fix.

Author: garydgregory

README.md

@@ -47,7 +47,7 @@ The Apache Commons CSV library provides a simple interface for reading and writi
 CSV files of various types.
 
 [![Build Status](https://travis-ci.org/apache/commons-csv.svg?branch=master)](https://travis-ci.org/apache/commons-csv)
-[![Coverage Status](https://coveralls.io/repos/apache/commons-csv/badge.svg?branch=master)](https://coveralls.io/r/apache/commons-csv)
+[![Coverage Status](https://coveralls.io/repos/github/apache/commons-csv/badge.svg?branch=master)](https://coveralls.io/github/apache/commons-csv?branch=master)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-csv/badge.svg)](https://maven-badges.herokuapp.com/maven-central/org.apache.commons/commons-csv/)
 [![License](http://img.shields.io/:license-apache-blue.svg)](http://www.apache.org/licenses/LICENSE-2.0.html)