Some clean up, web version prepare

src/GameState.h

@@ -9,7 +9,7 @@
 #include <memory>
 #include <vector>
 
-namespace ZL {
+namespace FRG {
 
 enum class TutorialStep {
 	Step0,   // Dialogue hint: "click to advance"
@@ -75,4 +75,4 @@ struct GameState : public ISaveable {
 	void load(const nlohmann::json& in) override;
 };
 
-} // namespace ZL
+} // namespace FRG