h4h5tools

Purpose:
    Change -with-hdf4 to -with-hdf5.
Description:
    Taking out references to hdf4 and replacing them with references to
    hdf5.
Solution:
    Change the compile process to use h4cc instead of h5cc, so need to
    specify location of hdf5 instead of hdf4.
Platforms tested:
    Eirene, arabica, kelgia, copper