I have noticed that the admin page has broken SSL.. To fix this I just replaced in the administration/templates/base/header.html
<link href='http://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900' rel='stylesheet' type='text/css' />
To
<link href='https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900' rel='stylesheet' type='text/css' />
That gave me the green lock on admin pages