Added the close icon

closes #127

LocationRinger/res/layout/feature_title_bar.xml

@@ -12,7 +12,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_alignParentRight="true"
-        android:src="@android:drawable/ic_menu_close_clear_cancel" />
+        android:src="@drawable/ic_action_close" />
 
     <TextView
         android:id="@+id/title"