Some clean up, web version prepare

src/CharacterState.h

@@ -8,7 +8,7 @@
 #include "external/nlohmann/json.hpp"
 #include "ISaveable.h"
 
-namespace ZL {
+namespace FRG {
 
     constexpr float VISIBLE_RANGE = 6.f;
 
@@ -141,4 +141,4 @@ public:
     void load(const nlohmann::json& in) override;
 };
 
-} // namespace ZL
+} // namespace FRG