Revert "Project modernization (#630)"

This code was not tested and breaks in Release builds, reverting to restore
functionality of the nightly. All in-game menus do not work and generating
a world crashes.

This reverts commit a9be52c41a.

Minecraft.World/CakeTile.cpp

@@ -13,9 +13,9 @@ CakeTile::CakeTile(int id) : Tile(id, Material::cake,isSolidRender())
 {
 	setTicking(true);
 
-	iconTop = nullptr;
-	iconBottom = nullptr;
-	iconInner = nullptr;
+	iconTop = NULL;
+	iconBottom = NULL;
+	iconInner = NULL;
 }
 
 void CakeTile::updateShape(LevelSource *level, int x, int y, int z, int forceData, shared_ptr<TileEntity> forceEntity) // 4J added forceData, forceEntity param