Added more menus; stub for settings, basic pause menu, fixes for multiple Game inits

lib/ui/menus/game_pause_menu.rb

@@ -0,0 +1,23 @@
+class IMICFPS
+  class GamePauseMenu < Menu
+    def setup
+      title "I-MIC FPS"
+      subtitle "Paused"
+
+      link "Resume" do
+        pop_state
+      end
+
+      link "Disconnect" do
+        push_state(MainMenu)
+      end
+    end
+
+    def draw
+      previous_state.draw
+      Gosu.flush
+
+      super
+    end
+  end
+end