Inclusion of missing dependency for org.apache.commons.commons-math3.

Fixed test failures for LogTest class due to hardcoded decimal separator. 
Some test cases was not passing due to decimal separator was hardcoded as comma, 
instead of getting the default decimal separator configured on the system.

modules/cloudsim/pom.xml

@@ -65,9 +65,16 @@
 			</configuration>
 		</plugin>
 	</plugins>
-  </build>  
-
-  <reporting>
+  </build>
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-math3</artifactId>
+            <version>3.4.1</version>
+            <type>jar</type>
+        </dependency>
+    </dependencies>
+    <reporting>
 	<plugins>
 	  <plugin>
 		<groupId>org.apache.maven.plugins</groupId>

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/Log.java

@@ -12,7 +12,7 @@ import java.io.IOException;
 import java.io.OutputStream;
 
 /**
- * The Log class used for performing loggin of the simulation process. It provides the ability to
+ * The Log class used for performing logging of the simulation process. It provides the ability to
  * substitute the output stream by any OutputStream subclass.
  * 
  * @author Anton Beloglazov

modules/cloudsim/src/test/java/org/cloudbus/cloudsim/LogTest.java

@@ -14,6 +14,8 @@ import static org.junit.Assert.assertTrue;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.text.DecimalFormatSymbols;
+import java.util.Locale;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -26,6 +28,8 @@ public class LogTest {
 
 	private static final ByteArrayOutputStream OUTPUT = new ByteArrayOutputStream();
 	private static final String LINE_SEPARATOR = System.getProperty("line.separator");
+        private static final DecimalFormatSymbols dfs = 
+            DecimalFormatSymbols.getInstance(Locale.getDefault(Locale.Category.FORMAT));
 
 	@Before
 	public void setUp() throws Exception {
@@ -85,12 +89,13 @@ public class LogTest {
 		OUTPUT.reset();
 
 		Log.format("%.2f", 123.01);
-		assertEquals("123.01", OUTPUT.toString());
+		assertEquals("123"+dfs.getDecimalSeparator()+"01", OUTPUT.toString());
 		OUTPUT.reset();
 	}
 
 	@Test
 	public void testFormatLine() throws IOException {
+                OUTPUT.reset();
 		Log.formatLine("test %s test", "test");
 		assertEquals("test test test" + LINE_SEPARATOR, OUTPUT.toString());
 		OUTPUT.reset();
@@ -104,12 +109,13 @@ public class LogTest {
 		OUTPUT.reset();
 
 		Log.formatLine("%.2f", 123.01);
-		assertEquals("123.01" + LINE_SEPARATOR, OUTPUT.toString());
+		assertEquals("123"+dfs.getDecimalSeparator()+"01" + LINE_SEPARATOR, OUTPUT.toString());
 		OUTPUT.reset();
 	}
 
 	@Test
 	public void testDisable() throws IOException {
+		OUTPUT.reset();
 		assertFalse(Log.isDisabled());
 
 		Log.print("test test");