[공통][Bug] IView 메서드 이름 변경

- prepareFinishing -> prepareDestroy

app/src/main/java/kr/co/zumo/app/lifeplus/activity/ActivityBase.java

@@ -180,7 +180,7 @@ public abstract class ActivityBase<P extends Presenter> extends AppCompatActivit
   }
 
   @Override
-  public void prepareFinishing() {
+  public void prepareDestroy() {
     stopNetworkWatching();
   }
 }

app/src/main/java/kr/co/zumo/app/lifeplus/view/IView.java

@@ -25,7 +25,7 @@ public interface IView {
    * - onDestroy() dispose 작업을 할 경우 다음 액티비티가 실행되고 전환 뒤에 호출되기 때문에 일부 옵저버가 겹치는 경향이 있어서 별도로 준비
    *
    */
-  void prepareFinishing();
+  void prepareDestroy();
 
 
   /**

app/src/main/java/kr/co/zumo/app/lifeplus/view/PinDialogAgent.java

@@ -79,7 +79,7 @@ public class PinDialogAgent implements IPinView {
   }
 
   @Override
-  public void prepareFinishing() {
+  public void prepareDestroy() {
     if (null != dialogManager) {
       dialogManager.dispose();
       dialogManager = null;

app/src/main/java/kr/co/zumo/app/lifeplus/view/command/ActivityChangeCommand.java

@@ -49,15 +49,15 @@ public class ActivityChangeCommand extends Command<Model, IView, Presenter> {
 
     switch (direction) {
       case ScreenID.DIRECTION_NEXT:
-        view.prepareFinishing();
+        view.prepareDestroy();
         changer.changeToNext(activityId);
         break;
       case ScreenID.DIRECTION_BACK:
-        view.prepareFinishing();
+        view.prepareDestroy();
         changer.changeToBack(activityId);
         break;
       case ScreenID.DIRECTION_NONE:
-        view.prepareFinishing();
+        view.prepareDestroy();
         changer.changeTo(activityId);
         break;
       default: