- split up zscript/shared/inventory.txt.

- moved health items to their own file.
- scriptified ScoreItem and MapRevealer whose entire functionality was a small TryPickup method.
- fixed: bit fields in global variables were not correctly written.

This should conclude the inventory cleanup. It is now possible again to find things in there.

src/p_actionfunctions.cpp

@@ -79,6 +79,7 @@
 #include "thingdef.h"
 #include "math/cmath.h"
 #include "a_armor.h"
+#include "a_health.h"
 
 AActor *SingleActorFromTID(int tid, AActor *defactor);