update to use node-scrypt2, bump to 2.1.0

lib/scrypt-for-humans.coffee

@@ -1,4 +1,4 @@
-scrypt = require "scrypt"
+scrypt = require "node-scrypt2"
 errors = require "errors"
 Promise = require "bluebird"
 

lib/scrypt-for-humans.js

@@ -1,6 +1,6 @@
 var Promise, defaultParameters, errors, getDefaultParameters, normalizePassword, scrypt, scryptErrorMap, scryptHandler;
 
-scrypt = require("scrypt");
+scrypt = require("node-scrypt2");
 
 errors = require("errors");
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "scrypt-for-humans",
-  "version": "2.0.5",
+  "version": "2.1.0",
   "description": "A human-friendly API wrapper for the Node.js Scrypt bindings.",
   "main": "index.js",
   "scripts": {
@@ -31,6 +31,6 @@
   "dependencies": {
     "bluebird": "^2.6.4",
     "errors": "^0.2.0",
-    "scrypt": "github:jkantr/node-scrypt#napi"
+    "node-scrypt2": "^1.0.0"
   }
 }