#BackdropCMS seems to have been forked from #Drupal. Drupal is naturally complicated, since it is really a set of frameworks and tools for building your own CMS. So it is understandable if a derivative still retains some complexity. #BoltCMS seems to have descended from now abandoned blogging tool #PivotX ( http://status.hackerposse.com/url/22623 ), which itself descended from…