Added HUD widgets, make Boot and Close use button_up instead of button_down

lib/hud/widget.rb

@@ -0,0 +1,25 @@
+class IMICFPS
+  class HUD
+    class Widget
+      include CommonMethods
+      attr_reader :options
+
+      def initialize(options = {})
+        @options = options
+        @player = options[:player]
+        @margin = 10
+
+        setup
+      end
+
+      def setup
+      end
+
+      def draw
+      end
+
+      def update
+      end
+    end
+  end
+end