Expose Accounts._hashPassword method

Author: EC2 Default User

docs/api.md

@@ -90,3 +90,4 @@ https://atmospherejs.com/meteor/reactive-dict
 * [Accounts.resetPassword](http://docs.meteor.com/#/full/accounts_resetpassword)
 * [Accounts.onLogin](http://docs.meteor.com/#/full/accounts_onlogin)
 * [Accounts.onLoginFailure](http://docs.meteor.com/#/full/accounts_onloginfailure)
+* `Accounts._hashPassword` - SHA-256 hashes password, for use with methods that may require authentication

src/user/Accounts.js

@@ -4,6 +4,7 @@ import User from './User';
 import { hashPassword } from '../../lib/utils';
 
 module.exports = {
+  _hashPassword:hashPassword,
   createUser(options, callback = () => {}) {
     if (options.username) options.username = options.username;
     if (options.email) options.email = options.email;