Use maven.compiler.release property

Author: bernd

pom.xml

@@ -53,8 +53,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.release>8</maven.compiler.release>
     </properties>
 
     <dependencies>