Merge pull request #49 in HDF5VOL/daos-vol from ~JHENDERSON/daos-vol:feature/H5L_routine_work to master
* commit '41317fe8788519df0ae55e29e58d8c82a7cb9a65':
Update object copying for deep group copying
Add recursive link iteration support
Implement H5Lget_val
Implement H5Lget_info, H5Lcreate_hard and H5Ldelete
Update .gitmodules file
Update VOL for H5M merge changes
Change H5_daos_iter_data_init routine to H5_DAOS_ITER_DATA_INIT macro
Add temp. DAOS_OF_AKEY_HASHED and DAOS_OF_DKEY_HASHED for new DAOS API
