better split up of library files "types.h" & "definitions.h"

centralized all printf specifier character definitions
reuse of arginfo handlers
more cleanups
fixed more AMD64 issues
added DEBUG_LEVEL compile flag to exclude DBGn() statements

src/libstrongswan/crypto/hashers/md5_hasher.c

@@ -30,8 +30,6 @@
 
 #include "md5_hasher.h"
 
-#include <definitions.h>
-
 
 /* Constants for MD5Transform routine. */
 #define S11 7