Add modernizer

Author: henri-tremblay

README.md

@@ -99,6 +99,10 @@ cd benchmark
 
 `mvn validate license:format -Pall`
 
+## To run modernizer
+
+`mvn modernizer:modernizer -Pall`
+
 ## To release
 
 * Add the release notes in `website/site/content/notes.html` You use this code to generate it

pom.xml

@@ -193,6 +193,14 @@
           <autoReleaseAfterClose>false</autoReleaseAfterClose>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.gaul</groupId>
+        <artifactId>modernizer-maven-plugin</artifactId>
+        <version>2.4.0</version>
+        <configuration>
+          <javaVersion>8</javaVersion>
+        </configuration>
+      </plugin>
     </plugins>
     <extensions>
       <extension>