two celltypes features missing in 0.14.5

[campagnola]

In v0.14.4 had a cell types ephys feature called tau and a morpho feature called max_euclidean_distance. In v0.14.5 these appear to be missing:

>>> from allensdk.core.cell_types_cache import CellTypesCache
>>> cc = CellTypesCache()
>>> 'tau' in cc.get_all_features()[0]
False
>>> 'max_euclidean_distance' in cc.get_all_features()[0]
False

All other features do appear to have migrated successfully.