3rdparty: add MultiEmulator by 2010kohtep

* patched to be portable, turned into a static library
* integrated to the engine

3rdparty/MultiEmulator/src/Setti.cpp

@@ -0,0 +1,13 @@
+#include "multi_emulator.h"
+
+int GenerateSetti(void *pDest)
+{
+	auto pTicket = (int *)pDest;
+
+	pTicket[0] = 0xD4CA7F7B;
+	pTicket[1] = 0xC7DB6023;
+	pTicket[2] = 0x6D6A2E1F;
+	pTicket[5] = 0xB4C43105;
+
+	return 768;
+}