adf3f53 luci: Update fence_virt / fence_xvm labels

Authored and Committed by rmccabe 8 years ago
    luci: Update fence_virt / fence_xvm labels
    
    fence_virt is no longer tech preview, so remove the label. Also
    add support for fence_virt's "timeout" attribute, which was missing.
    
    Resolves: rhbz#1204910
    
    Signed-off-by: Ryan McCabe <rmccabe@redhat.com>