Adding HDF5 compression plugins to superbuild#2432

bvanessen wants to merge 3 commits intoLBANN:v1.x-developLBANN/lbann:v1.x-developfrom

bvanessen:feature_data_reader_hdf5_zfpbvanessen/lbann:feature_data_reader_hdf5_zfpCopy head branch name to clipboard