#31 Game model refactoring

core/assets/common/game/shooting_range/gfx/background.png

core/assets/common/game/shooting_range/gfx/carousel.png

.../assets/common/game/shooting_range/gfx/effects/1smoke.png

.../assets/common/game/shooting_range/gfx/effects/2smoke.png

.../assets/common/game/shooting_range/gfx/effects/3smoke.png

.../assets/common/game/shooting_range/gfx/effects/4smoke.png

.../assets/common/game/shooting_range/gfx/effects/5smoke.png

...ssets/common/game/shooting_range/gfx/effects/bad_fast.png

...sets/common/game/shooting_range/gfx/effects/good_slow.png

core/assets/common/game/shooting_range/gfx/frame.png

core/assets/common/game/shooting_range/gfx/plan_1.png

core/assets/common/game/shooting_range/gfx/plan_2.png

core/assets/common/game/shooting_range/gfx/plan_3.png

core/assets/common/game/shooting_range/gfx/watch.png

core/assets/common/game/shooting_range/gfx/watch_hand.png

core/assets/common/game/shooting_range/sfx/box_fast.mp3

core/assets/common/game/shooting_range/sfx/box_slow.mp3

core/assets/common/game/shooting_range/sfx/box_smoke.mp3

core/assets/common/game/shooting_range/sfx/carousel_1.mp3

core/assets/common/game/shooting_range/sfx/carousel_2.mp3