Update altai-installer and nova

altai-installer-1.1.3:
    - Fix install script messages (Issue: altai-126)
    - Change EULA link to point to Licensing page (Issue: altai-113)
nova-2012.1.2:
    - Make nova-compute start after libvirt-guests

Change-Id: If8cc2c96ba44870cb60ad5217b73283d0cfb69fe