Showcase the new-style lookup plugin access in the authorized_key docs rather…

Showcase the new-style lookup plugin access in the authorized_key docs rather than the old-style $FILE

docsite/latest/rst/index.rst

@@ -7,8 +7,8 @@ Ansible Documentation
    :alt: ansiblefest 2013
    :target: http://ansibleworks.com/fest
 
-This page contains documentation about how to use `Ansible <http://ansible.cc>`_ and covers the latest version.  For the current
-released version, see `Ansible 1.1 Docs <http://ansible.cc/docs/released/1.1>`_.  You may also be interested in taking a class:
+NOTE: This page contains documentation about how to use `Ansible <http://ansible.cc>`_ and covers the latest DEVELOPMENT version (1.2).  For the current
+released version, see `Ansible 1.1 Docs <http://ansible.cc/docs/released/1.1>`_ instead. You might be one of them.  We hope you find what you are looking for in the documentation, and would like to point out that you may also be interested in taking a class:
 
 .. image:: http://www.ansibleworks.com.s3-website-us-east-1.amazonaws.com/img/banners/training.png
    :alt: ansibleworks training

library/authorized_key

@@ -65,10 +65,10 @@ author: Brad Olson
 
 EXAMPLES = '''
 # Example using key data from a local file on the management machine
-authorized_key: user=charlie key='$FILE(/home/charlie/.ssh/id_rsa.pub)
+authorized_key: user=charlie key="{{ lookup('file', '/home/charlie/.ssh/id_rsa.pub') }}"
 
 # Using alternate directory locations:
-authorized_key: user=charlie key='$FILE(/home/charlie/.ssh/id_rsa.pub)' sshdir='/etc/ssh/authorized_keys/charlie' manage_dir=no
+authorized_key: user=charlie key="{{ lookup('file', '/home/charlie/.ssh/id_rsa.pub') }}"  sshdir='/etc/ssh/authorized_keys/charlie' manage_dir=no
 '''
 
 # Makes sure the public key line is present or absent in the user's .ssh/authorized_keys.