h4h5tools

Purpose:
Updating H4H5 windows projects and documents.

Description:
1. Mainly to replace the hard-coded libraries
paths of HDF4, ZLIB, SZIP and JPEG with
environmental variables.
2. Update the windows installation files.
   Adding a small section on how to disable szip.

Solution:

Platforms tested:
windows xp with MSVS 6.0

Misc. update: