upgrade maven-jar-plugin/maven-archiver to fix JDK9 build issue

Author: TheSnoozer

pom.xml

@@ -234,7 +234,7 @@
         </plugin>
         <plugin>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>2.6</version>
+          <version>3.0.2</version>
         </plugin>
         <plugin>
           <artifactId>maven-plugin-plugin</artifactId>
@@ -293,6 +293,11 @@
 -->
         </executions>
       </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+      </plugin>
     </plugins>
   </build>