refactor

lib/android/app/src/main/java/com/reactnativenavigation/NavigationActivity.java

@@ -6,7 +6,7 @@ import android.support.v7.app.AppCompatActivity;
 import android.view.KeyEvent;
 
 import com.facebook.react.modules.core.DefaultHardwareBackBtnHandler;
-import com.reactnativenavigation.layout.Navigator;
+import com.reactnativenavigation.viewcontrollers.Navigator;
 
 public class NavigationActivity extends AppCompatActivity implements DefaultHardwareBackBtnHandler {
 	private Navigator navigator;

lib/android/app/src/main/java/com/reactnativenavigation/react/NavigationModule.java

@@ -13,7 +13,7 @@ import com.reactnativenavigation.layout.LayoutNode;
 import com.reactnativenavigation.parse.JSONParser;
 import com.reactnativenavigation.parse.LayoutNodeParser;
 import com.reactnativenavigation.utils.UiThread;
-import com.reactnativenavigation.layout.Navigator;
+import com.reactnativenavigation.viewcontrollers.Navigator;
 import com.reactnativenavigation.viewcontrollers.ViewController;
 
 public class NavigationModule extends ReactContextBaseJavaModule {

lib/android/app/src/main/java/com/reactnativenavigation/layout/Navigator.java → lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/Navigator.java

@@ -1,4 +1,4 @@
-package com.reactnativenavigation.layout;
+package com.reactnativenavigation.viewcontrollers;
 
 import android.app.Activity;
 import android.support.annotation.NonNull;
@@ -6,9 +6,6 @@ import android.view.ViewGroup;
 import android.widget.FrameLayout;
 
 import com.reactnativenavigation.utils.CompatUtils;
-import com.reactnativenavigation.viewcontrollers.ParentController;
-import com.reactnativenavigation.viewcontrollers.StackController;
-import com.reactnativenavigation.viewcontrollers.ViewController;
 
 import java.util.Collection;
 import java.util.Collections;

lib/android/app/src/test/java/com/reactnativenavigation/viewcontrollers/NavigatorTest.java

@@ -4,7 +4,6 @@ import android.app.Activity;
 import android.support.annotation.NonNull;
 
 import com.reactnativenavigation.BaseTest;
-import com.reactnativenavigation.layout.Navigator;
 import com.reactnativenavigation.mocks.SimpleViewController;
 import com.reactnativenavigation.mocks.TestStackAnimator;
 import com.reactnativenavigation.utils.CompatUtils;