Updates dependencies

Signed-off-by: Manoel Campos <manoelcampos@gmail.com>

cloudsim-plus/pom.xml

@@ -237,7 +237,7 @@
                     <artifactId>maven-surefire-plugin</artifactId>
                     <!-- There is some problem with the version 2.19.1 or with
                     Netbeans 8.0.2 that the JUnit GUI is not shown at the IDE-->
-                    <version>2.20.1</version>
+                    <version>2.21.0</version>
                 </plugin>
 
                 <plugin>

cloudsim-plus/src/main/java/org/cloudbus/cloudsim/network/IcmpPacket.java

@@ -184,12 +184,11 @@ public class IcmpPacket implements NetworkPacket<SimEntity> {
         }
 
         sb.append("\nRound Trip Time : ")
-            .append(num.format(getTotalResponseTime()))
-            .append(" seconds")
-            .append("\nNumber of Hops  : ")
-            .append(getNumberOfHops())
-            .append("\nBottleneck Bandwidth : ")
-            .append(bandwidth).append(" bits/s");
+          .append(num.format(getTotalResponseTime()))
+          .append(" seconds\nNumber of Hops  : ")
+          .append(getNumberOfHops())
+          .append("\nBottleneck Bandwidth : ")
+          .append(bandwidth).append(" bits/s");
 
         return sb.toString();
     }

cloudsim-plus/src/main/java/org/cloudbus/cloudsim/network/topologies/BriteNetworkTopology.java

@@ -33,7 +33,7 @@ import org.cloudbus.cloudsim.util.ResourceLoader;
  * @author Anton Beloglazov
  * @since CloudSim Toolkit 1.0
  */
-public class BriteNetworkTopology implements NetworkTopology {
+public final class BriteNetworkTopology implements NetworkTopology {
 
     /**
      * The BRITE id to use for the next node to be created in the network.

cloudsim-plus/src/test/java/org/cloudbus/cloudsim/resources/PeTest.java

@@ -65,7 +65,7 @@ public class PeTest {
 
     @Test
     public void testSetStatus() {
-        PeSimple pe = createPe();
+        final PeSimple pe = createPe();
         assertEquals(PeSimple.Status.FREE, pe.getStatus());
         pe.setStatus(PeSimple.Status.BUSY);
         assertEquals(PeSimple.Status.BUSY, pe.getStatus());