Display loginas information only after login
    
    Message 'Logged in as: user@FREEIPA.ORG' was displayed before user was logged in. It was wrong.
    
    Now 'Logged in as: XXX' is displayed only when user XXX is logged in. So no more user@FREEIPA.ORG :) .
    
    https://fedorahosted.org/freeipa/ticket/2882