Changes to allow project to compile on newer versions, including removing ad code and adding a margin to the top of layouts so the UI is below the action bar.

app/src/main/res/menu/menu_main.xml

@@ -9,13 +9,6 @@
         android:title="@string/action_tips"
         app:showAsAction="never" />
 
-    <item
-        android:id="@+id/action_enable_ads"
-        android:orderInCategory="150"
-        android:title="@string/action_enable_ads"
-        app:showAsAction="never"
-        android:checkable="true" />
-
     <item
         android:id="@+id/action_about"
         android:orderInCategory="200"