vchoi_fork

[svn-r22277] Purpose:
  Fix for HDFFV-7993 - h5repack fails with error "chunk size must be <= maximum dimension size for fixed-sized dimensions"

Description:
  Fixed a failure when change the chunk size of a specified chunked dataset with unlimited max dims.
  Also took care of converting to contiguous and compact from the dataset.
  Test cases were added and tagged with jira#.

Tested:
  jam (linux32-LE), koala (linux64-LE), ostrich (linuxppc64-BE), tejeda (mac32-LE), linew (solaris-BE),  Windows (32-LE cmake), Cmake (jam)