pioneerspacesim/pioneer — pull request #2373 by lwho (2013-07-12 19:03:03+00:00)
Title: Pass the body docked with or landed on in the onCargoUnload callback

This fixes #2360. To test, type in console once when docked and once when rough landed:
```lua
Event.Register("onCargoUnload", function (body, cargo) print(body.label) ; print(cargo) ; end)
Game.player:Jettison("HYDROGEN")
```