hdf5

Merging in latest from upstream (HDFFV/hdf5:refs/heads/develop)

* commit 'b8a56718e40efaf6954a760984b9d513dbff8f7d':
  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