Some clean up, web version prepare

src/AudioPlayerAsync.cpp

@@ -37,7 +37,7 @@ bool AudioPlayerAsync::init() {
     Mix_AllocateChannels(16);
 
     initialized = true;
-    ZL::logger() << "AudioPlayerAsync initialized with SDL2_mixer" << std::endl;
+    FRG::logger() << "AudioPlayerAsync initialized with SDL2_mixer" << std::endl;
     return true;
 }
 
@@ -61,7 +61,7 @@ void AudioPlayerAsync::shutdown() {
     Mix_CloseAudio();
     SDL_QuitSubSystem(SDL_INIT_AUDIO);
     initialized = false;
-    ZL::logger() << "AudioPlayerAsync shutdown" << std::endl;
+    FRG::logger() << "AudioPlayerAsync shutdown" << std::endl;
 }
 
 void AudioPlayerAsync::playSoundAsync(const std::string& filePath, int loops, int channel) {