hdf5_chunking_query_bmr

Merge pull request #358 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:develop to develop

* commit '82183c7cdc50f9dc41ef8238c6a2bef6f1c7fcde':
  Run all scripts using signal files between processes in their own directories to avoid accidental deletion of the signal files.