Merge pull request cakephp#2316 from spaceman4walk/patch-2

Upadate auth.rst

Author: markstory

en/tutorials-and-examples/blog-auth-example/auth.rst

@@ -357,6 +357,11 @@ config::
  'action' => 'display', 
  'home'
  ),
+ 'authenticate' => array(
+ 'Form' => array(
+ 'passwordHasher' => 'Blowfish'
+ )
+ ),
  'authorize' => array('Controller') // Added this line
  )
  );