hdf5_chunking_query_bmr

[svn-r22992] Purpose:
  HDFFV-8146 - Remove "multi-chunk IO without optimization" sub-feature from MPI I/O optimization for chunked dataset feature

Description:
  The “multi-chunk IO without optimization” feature is removed and made the related xfer property (H5FD_MPIO_CHUNK_MULTI_IO) go directly to “multi-chunk-io” feature.
  Also update/fix/cleanup testings (chunk collective IO and actual chunk opt mode) accordingly.
    
Tested: 
    jam (linux32-LE), koala (linux64-LE), ostrich (linuxppc64-BE), fred (mac64-LE), Windows (32-LE cmake), cmake (jam)