Finally the Authake Plugin have an Installation guide.
Basically the plugin provide Authentication and Authorization functionality for CakePHP’s appliation with few line of code. Authake has advanced User-Group-Role interface and allow you to secure your CakePHP’s application within a minute.
The current version of the Plugin is “wrapped” in a single folder (according to CakePHP 1.3 conventions) under the Plugins.
Update: This plugin has been addapted for CakePHP 2.0 by Mutlu Tevfik Kocak. Please use his repository for actual version of the plugin. https://github.com/mtkocak/authake