Rewrite /iolib/Xe/PNG/zlib/

[SerVB]

The following files:

• [ ] adler32.c
• [ ] compress.c
• [ ] crc32.c
• [ ] deflate.c
• [ ] deflate.h
• [ ] infblock.c
• [ ] infblock.h
• [ ] infcodes.c
• [ ] infcodes.h
• [ ] inffast.c
• [ ] inffast.h
• [ ] inffixed.h
• [ ] inflate.c
• [ ] inftrees.c
• [ ] inftrees.h
• [ ] infutil.c
• [ ] infutil.h
• [ ] maketree.c
• [ ] trees.c
• [ ] trees.h
• [ ] uncompr.c
• [ ] zconf.h
• [ ] zlib.h
• [ ] zutil.c
• [ ] zutil.h