NEVERHOOD: Add tables for Module1600 and Scene1608
NEVERHOOD: Add Module1600 and Scene1608 (stuff will be renamed later)
NEVERHOOD: Add leaveModule and leaveScene

(instead of using sendMessage directly)
NEVERHOOD: Add Scene1609

- Use Scene::insertSprite<> in all scenes
NEVERHOOD: Add Module1900 and Scene1901, Scene1907

(Scene1908 is actually only used in another module...)
NEVERHOOD: Add tables for Scene1901
NEVERHOOD: Add tables for Scene2101
NEVERHOOD: Add Module2100 and Scene2101 (not complete yet)
NEVERHOOD: Add floor button ("Class429") to Scene2101
NEVERHOOD: Add floor button to Scene1401
NEVERHOOD: Start with Module2600 (missing Scene2609)
NEVERHOOD: Add Scene2609 and hook Module2600 to the GameModule
NEVERHOOD: Start with Module2700 (doesn't do anything yet)
NEVERHOOD: Add new SceneInfo2700 structure and some tables using it for Module2700
NEVERHOOD: Updated dat
NEVERHOOD: More work in Module2700
NEVERHOOD: Add Scene2706

- Move calcDistance from Class521 to graphics.cpp
NEVERHOOD: More tables for Module2700
NEVERHOOD: Add Scene2701
NEVERHOOD: Add tables for Scene2702