Made BattleLayer populate onEnterDidTransitionFinish
Use CCTransitionCrossFade to transition to BattleScene. Cooler effect!
Created basic tutorial framework.
Added basic attack tutorial. Need to register a touch delegate.
Fix issue where bubbleNode can't be used after battle because battleSceneTouchDelegate wasn't deallocated properly
Add ability to turn off tutorial.
Close #65 - Tutorial framework completed.
Merge remote-tracking branch 'origin/master'