vtkHDFWriter: add compression mechanism
Use the compression feature of HDF5. As its a filter, it can be applied only on chunked data.
Only relevant data can be compressed: Points, Connectivity, Data Arrays.
The default chunk value was been changed for 25000 as the previous value was too small.
For more details:
https://docs.hdfgroup.org/hdf5/develop/_l_b_dset_layout.html