sync with re3

-radardisc shadow fix
-fix for the dimension where moon is round
-correct radar based on the early gta 3 screenshot
-proper scaling based on ps2 gta 3
-ini and debugmenu options

src/core/Frontend.cpp

@@ -3,6 +3,7 @@
 #include <dinput.h>
 #endif
 
+#define FORCE_PC_SCALING
 #define WITHWINDOWS
 #include "common.h"
 #ifndef PS2_MENU