Some clean up, web version prepare

src/LocationState.cpp

@@ -1,6 +1,6 @@
 #include "LocationState.h"
 
-namespace ZL {
+namespace FRG {
 
 void LocationState::save(nlohmann::json& out) const
 {
@@ -223,4 +223,4 @@ void LocationState::load(const nlohmann::json& in)
 
 }
 
-} // namespace ZL
+} // namespace FRG