[core] HDF5 cutout changes for Dean. They have a new format.
[core] HDF5 cutout changes for Dean. They have a new format.

openconnectome/open-connectome,openconnectome/open-connectome,openconnectome/open-connectome,openconnectome/open-connectome,neurodata/ndstore,neurodata/ndstore,openconnectome/open-connectome,neurodata/ndstore,neurodata/ndstore,openconnectome/open-connectome