vchoi_fork

[svn-r5836] 
Purpose:
move zlib out of hdf5/src from development branch
update H5pubconf.h
Description:
The decision has been made to move zlib out of hdf5 source distribution, make it real in development branch.
In dev. branch, H5_HAVE_COMPRESSION replaces H5_HAVE_COMPRESS2, H5_HAVE_ZLIB_H and H5_HAVE_LIBZ etc.
Make windows consistent.
Solution:
Platforms tested:
windows 2000