- initial support for configure based on scummvm tree (tested mac os x leopard, linux(ubuntu), cygwin with mingwin gcc)

- adopted more common dir code from scummvm for easier multi platform support
- synced some changes from scummvm code

engine/bitmap.cpp

@@ -21,8 +21,8 @@
  */
 
 #include "common/sys.h"
-#include "common/platform.h"
 #include "common/debug.h"
+#include "common/endian.h"
 
 #include "engine/bitmap.h"
 #include "engine/smush/smush.h"