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

lib/ui/menus/main_menu.rb

@@ -6,7 +6,7 @@ class IMICFPS
         push_state(LoadingState.new(forward: Game, map_file: GAME_ROOT_PATH + "/maps/test_map.json"))
       end
       link "Settings" do
-        # push_game_state(SettingsMenu)
+        push_state(SettingsMenu)
       end
       link "Exit" do
         window.close

lib/ui/menus/settings_menu.rb

@@ -0,0 +1,14 @@
+class IMICFPS
+  class SettingsMenu < Menu
+    def setup
+      title "I-MIC FPS"
+      subtitle "Settings"
+
+      link "\"There is no spoon.\""
+
+      link "Back" do
+        pop_state
+      end
+    end
+  end
+end