Add shoppamap lua as mikade requested. also add 50% chance of bottom border w/ holes as he requested. Also disable land objects in shoppa scheme, since that's more common way to play it.

foreach(dir "Fonts" "Forts" "Graphics" "Locale" "Maps" "Music" "Sounds" "Themes" "Missions" "Names" "misc" "Scripts")
  add_subdirectory(${dir})
endforeach(dir)