fixing issue in which toggling other tabs from comparison reports would cause empty designs tab when returning to designs tab from comparison reports
fixing empty depth comparison reports issue...min depth was greater than max depth...fixed this on the model's get_min_depth and get_max_depth...this doesn't appear to cause any other issues
updating comparison reports when selections are deactivated via the active panel
moving the View Reports button to the top of the designs panel.  highlighting text when comparison reports are selected but no selections are active. also fixing issue in which comparison reports were enabled immediately after siting is created (even when no selections were active).
created new leaseblock fixture after updating leaseblocks model with new ship traffic summaries.  will need to load leaseblock fixture as well...