* Decompile jpegdecoder.c, padsetup.c and code_800C3C20.c
* change func_800C3C20's prototype and rename some fields in jpeg related structs
* Fix comment in Jpeg_GetU16 and change func_800C3C20
* use a switch in padsetup.c
* Decompile jpegutils.c
jpegutils.c : OK
* Fix a typo
* Fixes in PR #75
- Fix a type in JpegWork
- Remove clang-format off/on in z_quake.c
- Move the jpegutils rule at the end of makefile
* Decompile z_jpeg.c
- Decompile z_jpeg.c
- Move .bss variables from fault.c and fault_drawer.c into .s files to avoid bss reordering
* Rename JPEGWork to JpegWork and minor fix in Jpeg_GetU16