Started #55 - different enemies on nodes. Positions are off and the bubble node still appears on every node
Disable bubble nodes on nodes that don't need it
Fix bug where enemies don't die from basic attack.
Fix locking/unlocking issue that came from previous commit where enemies might attack twice/everyone would be locked
Implemented basic linear formation
Implement FormationLoader
Fix bug where multiple taps on screen after battle finishes crashes the game.
Added additional label to WorldBubbleNode.