Project modernization (#630)

* Fixed boats falling and a TP glitch #266

* Replaced every C-style cast with C++ ones

* Replaced every C-style cast with C++ ones

* Fixed boats falling and a TP glitch #266

* Updated NULL to nullptr and fixing some type issues

* Modernized and fixed a few bugs

- Replaced most instances of `NULL` with `nullptr`.
- Replaced most `shared_ptr(new ...)` with `make_shared`.
- Removed the `nullptr` macro as it was interfering with the actual nullptr keyword in some instances.

* Fixing more conflicts

* Replace int loops with size_t and start work on overrides

Minecraft.Client/PS3/PS3_App.h

@@ -88,7 +88,7 @@ public:
 // 	void SetVoiceChatAndUGCRestricted(bool bRestricted);
 // 	bool GetVoiceChatAndUGCRestricted(void);
 
-	StringTable *GetStringTable()																									{ return NULL;}
+	StringTable *GetStringTable()																									{ return nullptr;}
 
 	// original code
 	virtual void TemporaryCreateGameStart();