Log Message:
Update to 1.6.0.

Summary: This release has the following new features that are not
         available in 1.4.* releases

 1. Generic properties to give application more control on I/O pipeline
 2. Time allocation and fill value properties
 3. New  filters: external compression filter szip
                  internal shuffling and checksum filters
 4. Compact storage layout for datasets
 5. Redesigned I/O pipeline for better performance.

 For more information see
 http://hdf.ncsa.uiuc.edu/HDF5/doc_resource/SZIP/index.html
 http://hdf.ncsa.uiuc.edu/HDF5/doc/ADGuide.html
 http://hdf.ncsa.uiuc.edu/HDF5/doc/ADGuide/Changes.html