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.Client/Common/Tutorial/ProcedureCompoundTask.h

@@ -8,7 +8,7 @@ class ProcedureCompoundTask : public TutorialTask
 {
 public:
 	ProcedureCompoundTask(Tutorial *tutorial )
-		: TutorialTask(tutorial, -1, false, nullptr, false,  true, false )
+		: TutorialTask(tutorial, -1, false, NULL, false,  true, false )
 	{}
 
 	~ProcedureCompoundTask();