import casinos from <casinos> when not included in <business>
import casinos from <casinos> when not included in <business>

recent updates in v4 detached the casino system from business spots.
if no casinos are found in the <business> node, omerta_logger now
imports casino data from <casinos>. spot-related information will
be set to nil in that case.

Baelor/omerta_logger,Baelor/omerta_logger,Baelor/omerta_logger