Reworked the menu system for cargo transportation. The Route to Pickup cargo sub menu now shows boarding, loading or sling loading sub menus, and allows to handle much more cargo.

Moose Development/Moose/Cargo/CargoCrate.lua

@@ -159,6 +159,12 @@ do -- CARGO_CRATE
     return false
   end
 
+  --- Check if the cargo can be sling loaded.
+  -- @param #CARGO_CRATE self
+  function CARGO_CRATE:CanSlingload()
+    return false
+  end
+
   --- Check if Cargo Crate is in the radius for the Cargo to be reported.
   -- @param #CARGO_CRATE self
   -- @param Core.Point#COORDINATE Coordinate