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.Client/SpiderRenderer.h

@@ -6,7 +6,7 @@ class SpiderRenderer : public MobRenderer
 public:
 	SpiderRenderer();
 protected:
-	virtual float getFlipDegrees(shared_ptr<Mob> spider);
-    virtual int prepareArmor(shared_ptr<Mob> _spider, int layer, float a);
-	void scale(shared_ptr<Mob> _mob, float a);
+	virtual float getFlipDegrees(std::shared_ptr<Mob> spider);
+    virtual int prepareArmor(std::shared_ptr<Mob> _spider, int layer, float a);
+	void scale(std::shared_ptr<Mob> _mob, float a);
 };