Add Auth Controller and its login action
	modified:   .zfproject.xml
    - Added controller entry by zf command
	new file:   application/controllers/AuthController.php
    - Added Authcontroller for authentication
	new file:   application/views/scripts/auth/index.phtml
    - Added controller index view script
	new file:   application/views/scripts/auth/login.phtml
    - Added controller login view script