Adding notes about security
Merge pull request #2 from lorenzo/patch-1

Adding notes about security
adding TokenAuthenticate adapter
adding 2 step google authenticator
fix typo
Check for CookieComponent in authenticate(), remove constructor.
This allows to setup Auth in AppController, but not forcing to have Cookie in AppController, is it is only required with authenticate()
adding link to wiki
adding CookieAuthenticateTest
adding tearDown()
adding rijndael as default type
Revert "fix typo"

This reverts commit 0c577f1c51e810b6047afc6a5aef2fb80b47cf36.

Revert "adding 2 step google authenticator"

This reverts commit 91660eb6dd05f87b152a1cc3069cb2d08c3b26a0.
add tokenauthenticate to readme
add exception for rijndael when mcrypt_encrypt() does not exist