Refactored Container to be an Element, removed button_up/button_down passing to elements, moved Gui out of GameState and into GuiState, added scaffolding for events (Publish/Subscribe pattern). Element input is broken ATM.

lib/cyberarm_engine/ui/event.rb

@@ -0,0 +1,21 @@
+module CyberarmEngine
+  module Event
+    def subscribe(event, method = nil, &block)
+    end
+
+    def unsubscribe(event)
+    end
+
+    def publish(event, *args)
+      # block.call(*args)
+    end
+
+    def event(event)
+      @event_handler ||= Hash.new
+      @event_handler[event] ||= []
+    end
+  end
+
+  class Subscription
+  end
+end