updated compiler plugin

Author: JohannesJander

pom.xml

@@ -180,13 +180,13 @@
             -->
 
             <!-- Test Coverage: https://github.com/trautonen/coveralls-maven-plugin -->
-            <!--
+
             <plugin>
                 <groupId>org.eluder.coveralls</groupId>
                 <artifactId>coveralls-maven-plugin</artifactId>
                 <version>${coveralls-maven-plugin.version}</version>
             </plugin>
-            -->
+
 
             <plugin>
                 <groupId>org.jacoco</groupId>