Added dependance on cyberarm_engine, removed duplicate code which is in cyberarm_engine

lib/states/game_state.rb

@@ -1,36 +1,16 @@
 class IMICFPS
-  class GameState
+  class GameState < CyberarmEngine::GameState
     include CommonMethods
     include EntityManager
     include LightManager
 
     attr_reader :options
     def initialize(options = {})
-      @options = options
       @delta_time = Gosu.milliseconds
       @entities   = []
       @lights     = []
 
-      setup
-    end
-
-    def push_game_state(klass_or_instance)
-      window.push_game_state(klass_or_instance)
-    end
-
-    def setup
-    end
-
-    def draw
-    end
-
-    def update
-    end
-
-    def button_down(id)
-    end
-
-    def button_up(id)
+      super
     end
   end
 end