added Score class, removed HighScores class
Merge branch 'arcade' of github.com:duke-compsci308-spring2013/vooga into arcade
implemented score, removed highscores
Merge branch 'master' of github.com:duke-compsci308-spring2013/vooga into arcade
something about rts stuff. . . swear i didnt touch it
Merge branch 'arcade' of https://github.com/duke-compsci308-spring2013/vooga into arcade_view
Merge branch 'arcade_view' of https://github.com/duke-compsci308-spring2013/vooga into arcade_view