Removed randomization from C key generation, to enable deterministic tests.

Author: ianopolous

native/tweetnacl.c

@@ -659,7 +659,7 @@ int crypto_sign_keypair(u8 *pk, u8 *sk)
   gf p[4];
   int i;
 
-  randombytes(sk, 32);
+  //randombytes(sk, 32);
   crypto_hash(d, sk, 32);
   d[0] &= 248;
   d[31] &= 127;