title: FB.getLoginStatus is returning status 'unknown' even when the user is logged in
body: <p>I have third party cookies enabled so that's not the problem. I'm using google Chrome, facebook javascript SDk <code>version 2.5</code>, everything is working the first time when I login, but when I log out and try to log back in, it's returning <code>status: 'unknown'</code></p>