shared_ptr -> std::shared_ptr

This is one of the first commits in a plan to remove all `using namespace std;` lines in the entire codebase as it is considered anti-pattern today.

Minecraft.World/ResultSlot.h

@@ -5,22 +5,22 @@
 class ResultSlot : public Slot
 {
 private:
-	shared_ptr<Container> craftSlots;
-	Player *player; // This can't be a shared_ptr, as we create a result slot in the inventorymenu in the Player ctor
+	std::shared_ptr<Container> craftSlots;
+	Player *player; // This can't be a std::shared_ptr, as we create a result slot in the inventorymenu in the Player ctor
 	int removeCount;
 
 public:
-	ResultSlot(Player *player, shared_ptr<Container> craftSlots, shared_ptr<Container> container, int id, int x, int y);
+	ResultSlot(Player *player, std::shared_ptr<Container> craftSlots, std::shared_ptr<Container> container, int id, int x, int y);
 	virtual ~ResultSlot() {}
 
-	virtual bool mayPlace(shared_ptr<ItemInstance> item);
-	virtual shared_ptr<ItemInstance> remove(int c);
+	virtual bool mayPlace(std::shared_ptr<ItemInstance> item);
+	virtual std::shared_ptr<ItemInstance> remove(int c);
 
 protected:
-	virtual void onQuickCraft(shared_ptr<ItemInstance> picked, int count);
-	virtual void checkTakeAchievements(shared_ptr<ItemInstance> carried);
+	virtual void onQuickCraft(std::shared_ptr<ItemInstance> picked, int count);
+	virtual void checkTakeAchievements(std::shared_ptr<ItemInstance> carried);
 
 public:
-	virtual void onTake(shared_ptr<Player> player, shared_ptr<ItemInstance> carried);
-	virtual bool mayCombine(shared_ptr<ItemInstance> item); // 4J Added
+	virtual void onTake(std::shared_ptr<Player> player, std::shared_ptr<ItemInstance> carried);
+	virtual bool mayCombine(std::shared_ptr<ItemInstance> item); // 4J Added
 };