vchoi_fork

Merge pull request #24 in ~VCHOI/my_third_fork from hdf5_1_8 to bugfix/v18_seg_fault_ref_sel_compat

* commit '7ae66f2cf819f9b1da0ffd4d00490eb2ea84405a':
  Remove unneeded files
  Fix comment
  h5dump reg ref chnages has no error file
  Check sizeof type to use correct ref_type
  Correct grep text for filter test
  Revert incorrect bool type
  Fix CMake compare commands
  Correct test script for errstack
  Remove system command from valgrind reports
  Fix h5ls attrreg
  Fix gif tool and h5dump
  Merge changes from other branches
  revert type cast