Removed empty controller AI.class
Moved physics interfaces from model to model.physics.
Moved controller-classes from main package to .controller.
Small cleanup in GameController
Changed type of Hashset to Set in Graphics
Removed unused obstacles in Game
Merge branch 'cleanup' of https://github.com/Jokab/Bullet-Inferno into cleanup
Moved the classes a bit
Cleanup: Removed flow chart comments and added javadoc
Moved Segment and SegmentManager back to model.map.
Added PhysicsBodyDefinition as a parameter for enemy
Cleaned up controller part, also improved some javadoc
Merge branch 'cleanup' of https://github.com/Jokab/Bullet-Inferno into cleanup
Removed log messages
Merge branch 'cleanup' into development
Cleans up the code in various ways.