hdf5

Merge pull request #2029 in HDFFV/hdf5 from ~CHOGAN/hdf5:feature/cx_lcpl to develop

* commit '4ce9c10c568ff81ebd4eb7585039cbe3c40d1718':
  Add documentation for H5CX_get_ohdr_flags
  Add object header flags to API context
  Use major error code of calling package
  Handle H5CX_state_t for lcpl
  Add character encoding to lcpl context
  Change LC property name from 'create_intermediate_group' to 'intermediate_group'
  Use API context to store/retrieve LCPL when creating intermediate groups