added scrypt-n coin-algo class for sake of completeness

Author: Hüseyin Uslu

public/include/classes/coins/coin_scryptn.class.php

@@ -0,0 +1,13 @@
+<?php
+$defflip = (!cfip()) ? exit(header('HTTP/1.1 401 Unauthorized')) : 1;
+
+/**
+ * We extend our CoinBase class
+ * No need to change anything, base class supports
+ * scrypt and sha256d
+ **/
+class Coin extends CoinBase {
+  protected $target_bits = 16;
+}
+
+?>