Modified test_game_activity.rb to use R var instead of full path.
Added arkanoid_new_physics_activity.rb so arkanoid_activity.rb will be
changed to use only standard gosu methods.
test_game_activity.rb is now a copy of gosu's original test_game.rb
test_game_touch_activity.rb is test_game_activity.rb adapted to use
touch interface
Added TODO for the keyboard section
Modified arkanoid_activity.rb so it will not use physicsObjects
Fixed various errors on arkanid_activity.rb
More fixes on arkanoid_activity.rb
Final errors fixed on arkanoid_activity.rb