Warzone - turn based strategy

- Auto-sync: The game now attempts to sync automatically when closing the app. If it works, it should eliminate the sync issues some players were experiencing when switching devices.
- Tweaked size of drafts.
- Tweaked number of mines/recipes.
- Tweaked recipe costs.
- Powers and arenas can now come slightly earlier in a level.
- Increased unearned achievements shown to 15 and updated the algorithm for deciding which to show.
- Renamed the Coin Wheel to the Warzone Wheel.