Add menucolors

-Add a boolean option menucolors to toggle menu color
-Add MENUCOLOR -config file option

TODO:
-Better support for win32
-Support more windowports
-Update Guidebook
-Allow changing menucolor lines in-game

util/makedefs.c

@@ -1294,6 +1294,11 @@ static const char *build_opts[] = {
 #ifdef NEWS
 		"news file",
 #endif
+#ifdef MENU_COLOR_REGEX
+		"menu colors via regular expressions",
+#else
+		"menu colors via pmatch",
+#endif
 #ifdef OVERLAY
 # ifdef MOVERLAY
 		"MOVE overlays",