2020-09-19  Charlie Zender  <zender@uci.edu>

	* Add BitGroom/Zstandard tests for C/netCDF API, C/HDF5 API, and Fortran/netCDF API

	* Add BitGroom/Zstandard Fortran API

2020-09-17  Charlie Zender  <zender@uci.edu>

	* BitGroom: auto-turn-off quantization filter for non-H5T_FLOAT variables

2020-09-16  Charlie Zender  <zender@uci.edu>

	* Zstandard: add support for negative compression levels

2020-09-15  Charlie Zender  <zender@uci.edu>

	* Add Zstandard filter

	* More tidying and clarity in internal code, eliminate digit-rounding code

2020-09-14  Charlie Zender  <zender@uci.edu>

	* Rename to ccr_can_apply_bitgroom(), ccr_set_local_bitgroom() to avoid namespace pollution

2020-09-13  Charlie Zender  <zender@uci.edu>

	* BitGroom filter correctly handles _FillValue

2020-09-12  Charlie Zender  <zender@uci.edu>

	* Add example directory with h5ex_d_bitgroom.c test

	* Add BITGROOM filter, first CCR quantization filter

