Finished preliminary work on HighscoreManager
Began Work on GUIManager
Merge branch 'feature/Lars' into develop
More work on GUIManager. Now contains:
- Exit Confirmation
- User Selection
- Curtains for hiding game view, left and/or right half of game view.
Merge branch 'develop' into feature/Danny
More GUI stuff
Merge branch 'feature/Danny' into develop
Merge branch 'develop' into feature/Lars