Prepare for release 3.2.0

Author: nilols

pom.xml

@@ -241,7 +241,7 @@
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
                         <configuration>
-                            <additionalparam>-Xdoclint:none</additionalparam>
+                            <!--additionalparam>-Xdoclint:none</additionalparam> only needed for jdk8 -->
                         </configuration>
                         <executions>
                             <execution>