OS threading, DVD I/O, Endianness fixes, ARAM emulation, GX vertex fix

Major changes:

- Implement Big-Endian to Little-Endian byte-swapping for all RARC archive
  types (JKRCompArchive, JKRMemArchive, JKRDvdArchive, JKRAramArchive)
- Implement DVD file I/O via DvdEmu (DVDOpen, DVDFastOpen, DVDReadPrio,
  DVDReadAsyncPrio, DVDConvertPathToEntrynum)
- Fix YAZ0 decompression endianness in JKRDvdRipper, JKRDecomp, JKRAram,
  and JKRDvdAramRipper (use JKRDecompExpandSize instead of direct header read)
- Emulate ARAM with 16MB malloc buffer and synchronous memcpy in ARQPostRequest
  instead of hardware DMA transfers that hang on PC
- Add real OS threading implementation (OSContext, OSThread, OSMutex) using
  native Windows threads with side-table pattern for GC struct compatibility
- Fix font endianness for JUTResFont and JUTCacheFont
- Redirect GXVert.h to Aurora's PC implementation to prevent FIFO writes to
  the GameCube hardware address 0xCC008000
- Add Z-buffer texture format support (GX_TF_Z24X8, GX_TF_Z16, GX_TF_Z8)
  in Aurora's texture converter

src/JSystem/JKernel/JKRDvdRipper.cpp

@@ -329,7 +329,8 @@ int decompSZS_subroutine(u8* src, u8* dest) {
     }
 
     SYaz0Header* header = (SYaz0Header*)src;
-    endPtr = dest + (header->length - fileOffset);
+    u32 decompressedLength = JKRDecompExpandSize(src);
+    endPtr = dest + (decompressedLength - fileOffset);
     if (endPtr > dest + maxDest) {
         endPtr = dest + maxDest;
     }