Move game events to new event_logs header/cpp files

src/saveload/afterload.cpp

@@ -67,6 +67,7 @@
 #include "../animated_tile.h"
 #include "../company_func.h"
 #include "../infrastructure_func.h"
+#include "../event_logs.h"
 
 
 #include "saveload_internal.h"

src/saveload/misc_sl.cpp

@@ -18,6 +18,7 @@
 #include "../fios.h"
 #include "../road_type.h"
 #include "../core/checksum_func.hpp"
+#include "../event_logs.h"
 
 #include "saveload.h"