Fix includes, hsfload, mess, update aurora (#584)

* Fix REL includes till mgmodedll

* hsfload fixes

* update aurora, fixups

* Minor tweaks

* update aurora

* Mess byteswapping and comment out 3D render code

src/REL/m436Dll/main.c

@@ -1,6 +1,7 @@
 #include "REL/m436Dll.h"
 #include "game/chrman.h"
 #include "game/data.h"
+#include "game/gamework.h"
 #include "game/gamework_data.h"
 #include "game/hsfdraw.h"
 #include "game/hsfman.h"
@@ -16,6 +17,11 @@
 #include "ext_math.h"
 #include "version.h"
 
+s32 rand8(void);
+#ifndef __MWERKS__
+#include "game/audio.h"
+#endif
+
 typedef struct {
     /* 0x00 */ omObjData *unk00;
     /* 0x04 */ s32 unk04;