Upgrade of maven plugins (#951)

* Upgrade maven plugins

* Upgrade maven plugins

Some general code cleanup was necessary due to upgrade of PMD and checkstyle.

Also needed to add Junit 4 as a dependency due to Mockito.timout issue found here:
https://github.com/mockito/mockito/issues/152

hexagonal/src/main/java/com/iluwatar/hexagonal/service/ConsoleLottery.java

@@ -48,7 +48,7 @@ public class ConsoleLottery {
     Injector injector = Guice.createInjector(new LotteryModule());
     LotteryService service = injector.getInstance( LotteryService.class);
     WireTransfers bank = injector.getInstance(WireTransfers.class);
-    try (final Scanner scanner = new Scanner(System.in)) {
+    try (Scanner scanner = new Scanner(System.in)) {
       boolean exit = false;
       while (!exit) {
         printMainMenu();