added some small bits and stubs

src/entities/Vehicle.cpp

@@ -0,0 +1,7 @@
+#include "common.h"
+#include "patcher.h"
+#include "Vehicle.h"
+#include "Pools.h"
+
+void *CVehicle::operator new(size_t sz) { return CPools::GetVehiclePool()->New();  }
+void CVehicle::operator delete(void *p, size_t sz) { CPools::GetVehiclePool()->Delete((CVehicle*)p); }