====== <#windowslive_oauth2callback> ======
This function check the windows live OAuth 2.0 authentification (http://msdn.microsoft.com/en-us/library/live/hh243649.aspx),
If success login the user or register him. Typically, the website open a popup to the url
https://login.live.com/oauth20_authorize.srf with a redirect_uri to a link that contain this function.
The function itself will be responsible to login or create (and login) the user and the template
of this function will be responsible to close the popup and reload the parent document
==== Parameters ====
^ Name ^ Mandatory ^ Default ^ Description ^
| template | No | | Used to build the content of the result |
| client_id | Yes | | Your app's client ID (https://manage.dev.live.com/Applications/Index) |
| client_secret | Yes | | Your app's client secret |
| redirect_uri | No | /authentication/facebook_oauth2callback/ | The URI registered with the application |
==== Example ====
<#{windowslive_oauth2callback client_id="..." client_secret="..." redirect_uri="...">
<#{template>
<#}template>
<#}windowslive_oauth2callback>