hdf5_msb

[svn-r9855] Purpose:
Adding N-bit testing source code into CVS tree.
This is for debugging purpose only. N-bit filter won't be included in the daily test.

Description:
Integer, Float, Array datatype and Compound datatype tests are included.
More comprehensive tests need to be done.

Solution:

Platforms tested:
copper(AIX 5.1) and heping(Linux 2.4).

Misc. update: