Fixing outdated plugin dependencies

Author: suztomo

pom.xml

@@ -164,6 +164,37 @@
         </configuration>
       </plugin>
     </plugins>
+    <pluginManagement>
+      <plugins>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-clean-plugin</artifactId>
+          <version>3.4.0</version>
+        </plugin>
+        <plugin>
+          <groupId>org.codehaus.mojo</groupId>
+          <artifactId>clirr-maven-plugin</artifactId>
+          <version>2.8</version>
+          <dependencies>
+            <dependency>
+              <groupId>classworlds</groupId>
+              <artifactId>classworlds</artifactId>
+              <version>1.1</version>
+            </dependency>
+            <dependency>
+              <groupId>org.codehaus.plexus</groupId>
+              <artifactId>plexus-i18n</artifactId>
+              <version>1.0-beta-10</version>
+            </dependency>
+            <dependency>
+              <groupId>org.codehaus.plexus</groupId>
+              <artifactId>plexus-component-api</artifactId>
+              <version>1.0-alpha-33</version>
+            </dependency>
+          </dependencies>
+        </plugin>
+      </plugins>
+    </pluginManagement>
   </build>
 
   <reporting>