Fix author field in DESCRIPTION

 * DESCRIPTION: Added missing comma in author field
Renamed file

* src/inflate.c: Renamed to src/matio-inflate.c to have a unique file
  name when adding zlib
Added zlib 1.2.8 library. Changed version to 1.2.8.f-rmatio

* src/adler32.c: Added
* src/compress.c: Added
* src/crc32.c: Added
* src/crc32.h: Added
* src/deflate.c: Added, changed version string
* src/deflate.h: Added
* src/gzclose.c: Added
* src/gzguts.h: Added
* src/gzlib.c: Added
* src/gzread.c: Added
* src/gzwrite.c: Added
* src/infback.c: Added
* src/inffast.c: Added
* src/inffast.h: Added
* src/inffixed.h: Added
* src/inflate.c: Added
* src/inflate.h: Added
* src/inftrees.c: Added, changed version string
* src/inftrees.h: Added
* src/trees.c: Added
* src/trees.h: Added
* src/uncompr.c: Added
* src/zconf.h: Added
* src/zlib.h: Added, changed version string
* src/zutil.c: Added
* src/zutil.h: Added