Move auto center of mass alignment back to old API
Move auto center of mass alignment back to old API

We should keep at least one example of the old API. This might be
a good one...

Signed-off-by: Patrick Avery <743342299f279e7a8c3ff5eb40671fce3e95f13a@kitware.com>

OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz