extended content-type range

src/collision.cpp

src/content_craft.cpp

src/content_inventory.cpp

src/content_inventory.h

src/content_mapblock.cpp

src/content_mapnode.cpp

src/content_mapnode.h

src/environment.cpp

src/game.cpp

src/inventory.cpp

src/inventory.h

src/main.cpp

src/map.cpp

src/mapblock.cpp

src/mapblock_mesh.cpp

src/mapblockobject.cpp

src/mapgen.cpp

src/mapnode.cpp

src/mapnode.h

src/materials.cpp