#107 Improve JavaDoc for Mediator example

mediator/src/main/java/com/iluwatar/mediator/App.java

@@ -2,12 +2,16 @@ package com.iluwatar.mediator;
 
 /**
  * 
- * Mediator encapsulates how a set of objects (PartyMember) interact. Instead of
- * referring to each other directly they use a mediator (Party) interface.
+ * Mediator encapsulates how a set of objects ({@link PartyMember}) interact. Instead of
+ * referring to each other directly they use a mediator ({@link Party}) interface.
  * 
  */
 public class App {
 
+	/**
+	 * Program entry point
+	 * @param args command line args
+	 */
 	public static void main(String[] args) {
 		
 		// create party and members

mediator/src/main/java/com/iluwatar/mediator/PartyMember.java

@@ -2,7 +2,7 @@ package com.iluwatar.mediator;
 
 /**
  * 
- * Interface for party members interacting with Party.
+ * Interface for party members interacting with {@link Party}.
  * 
  */
 public interface PartyMember {

mediator/src/test/java/com/iluwatar/mediator/AppTest.java

@@ -4,6 +4,11 @@ import org.junit.Test;
 
 import com.iluwatar.mediator.App;
 
+/**
+ * 
+ * Application test
+ *
+ */
 public class AppTest {
 
 	@Test