Fixes nova-manage bug.  When a nova-network host has allocated floating ips *AND* some associated, the nova-manage floating list <host> would throw exception because was expecting hash with 'ec2_id' key , however, the obj returned is a sqlalchemy obj and the attr we need is 'hostname'.
Fixes nova-manage bug.  When a nova-network host has allocated floating ips *AND* some associated, the nova-manage floating list <host> would throw exception because was expecting hash with 'ec2_id' key , however, the obj returned is a sqlalchemy obj and the attr we need is 'hostname'.
n0ano/ganttclient