Generic cleanup of warnings, whitespace and style.

src/main/java/org/bukkit/event/entity/EntityTargetEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when a creature targets or untargets another entity
  */
+@SuppressWarnings("serial")
 public class EntityTargetEvent extends EntityEvent implements Cancellable {
     private boolean cancel;
     private Entity target;
@@ -28,6 +29,7 @@ public class EntityTargetEvent extends EntityEvent implements Cancellable {
 
     /**
      * Returns the reason for the targeting
+     *
      * @return The reason
      */
     public TargetReason getReason() {
@@ -38,6 +40,7 @@ public class EntityTargetEvent extends EntityEvent implements Cancellable {
      * Get the entity that this is targeting.
      * This will be null in the case that the event is called when
      * the mob forgets its target.
+     *
      * @return The entity
      */
     public Entity getTarget() {