Make HDF5 mpi mode work
Created originally on Bitbucket by avmo (Ashwin Vishnu)
Changesets for this Pull Request have not been imported, because it had been already declined on Bitbucket. Marked as closed by the import user.
- Generalize state_phys loading by using a new attribute sim.oper.axes
- Empty tuple as axes for operators0d
- Debug phys_fields MPI write
Work in progress as usual, some commits present from enh/sphereharmo-works bookmark.