hdf5

Merge pull request #2061 in HDFFV/hdf5 from ~CHOGAN/hdf5:feature/1.10/cx_lcpl to hdf5_1_10

* commit '54697cc596e7734c5890e58414833e97f5438861':
  Set the dcpl for the context on dataset creation
  Add DCPL to H5CX
  Check for both default values
  Use H5CX for LCPL property retrieval